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| LinuxSecurity.com Weekly Newsletter |
| June 29th 2007 Volume 8, Number 26a |
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Editors: Dave Wreski Benjamin D. Thomas
dave@private ben@private
Linux Advisory Watch is a comprehensive newsletter that outlines the
security vulnerabilities that have been announced throughout the week. It
includes pointers to updated packages and descriptions of each
vulnerability.
This week advisories were released for PostgreSQL, libapache-mod-jk,
MPlayer, open-iscsi, libphp-phpmailer, ekg, maradns, clamav,
wireshark, hiki, evolution, samba, kernel, libexif, openoffice,
krb5, jasper, proftpd, Thunderbird, madwifi, emacs, xfsdump,
e2fsprogs, webmin, mod_perl, httpd, HelixPlayer, cman, gd,
and redhat-cluster-suite. The distributors include Debian,
Fedora, Gentoo, Mandriva, Red Hat, Slackware, and Ubuntu.
---
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---
* EnGarde Secure Linux v3.0.13 Now Available
Guardian Digital is happy to announce the release of EnGarde Secure
Community 3.0.13 (Version 3.0, Release 13). This release includes several
bug fixes and feature enhancements to the SELinux policy and several
updated packages.
http://wiki.engardelinux.org/index.php/ReleaseNotes3.0.13
---
Review: Practical Packet Analysis
In the introduction, McIlwraith points out that security awareness
training properly consists of communication, raising of issues, and
encouragement to modify behaviour. (This will come as no surprise
to those who recall the definition of training as the modification
of attitudes and behaviour.) He also notes that security professionals
frequently concentrate solely on presentation of problems. The
remainder of the introduction looks at other major security
activities, and the part that awareness plays in ensuring that
they actually work.
http://www.linuxsecurity.com/content/view/128459/171/
---
Robert Slade Review: "Information Security and Employee Behaviour"
The best way to secure you against sniffing is to use encryption. While
this won't prevent a sniffer from functioning, it will ensure that what a
sniffer reads is pure junk.
http://www.linuxsecurity.com/content/view/128404/171/
--------
--> Take advantage of the LinuxSecurity.com Quick Reference Card!
--> http://www.linuxsecurity.com/docs/QuickRefCard.pdf
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| Distribution: Debian | ----------------------------//
+---------------------------------+
* Debian: Subject: [DSA 1311-1] New PostgreSQL 7.4 packages fix
privilege escalation
29th, June, 2007
It was discovered that the PostgreSQL database performs insufficient
validation of variables passed to privileged SQL statement called
"security definers", which could lead to SQL privilege escalation.
http://www.linuxsecurity.com/content/view/128608
* Debian: Subject: [DSA 1312-1] New libapache-mod-jk packages fix
information disclosure
29th, June, 2007
It was discovered that the Apache 1.3 connector for the Tomcat Java
servlet engine decoded request URLs multiple times, which can lead to
information disclosure.
http://www.linuxsecurity.com/content/view/128609
* Debian: Subject: [DSA 1313-1] New MPlayer packages fix arbitrary
code execution
29th, June, 2007
Stefan Cornelius and Reimar Doeffinger discovered that the MPlayer
movie player performs insufficient boundary checks when accessing CDDB
data, which might lead to the execution of arbitrary code.
http://www.linuxsecurity.com/content/view/128610
* Debian: Subject: [DSA 1314-1] New open-iscsi packages fix several
vulnerabilities
29th, June, 2007
Several local and remote vulnerabilities have been discovered in
open-iscsi, a transport-independent iSCSI implementation. One of the
security flaw discovered by Olaf Kirch was that due to a programming
error access to the management interface socket was insufficiently
protected, which allows denial of service.
http://www.linuxsecurity.com/content/view/128611
* Debian: Subject: [DSA 1315-1] New libphp-phpmailer packages fix
arbitrary shell command execution
29th, June, 2007
Thor Larholm discovered that libphp-phpmailer, an email transfer
class for PHP, performs insufficient input validition if configured
to use Sendmail. This allows the execution of arbitrary shell
commands.
http://www.linuxsecurity.com/content/view/128612
* Debian: Subject: [DSA 1318-1] New ekg packages fix denial of
service
29th, June, 2007
Several remote vulnerabilities have been discovered in ekg, a console
Gadu Gadu client. It was discovered that memory alignment errors may
allow remote attackers to cause a denial of service on certain
architectures such as sparc. This only affects Debian Sarge.
http://www.linuxsecurity.com/content/view/128614
* Debian: Subject: [DSA 1319-1] New maradns packages fix denial of
service
29th, June, 2007
Several remote vulnerabilities have been discovered in MaraDNS, a
simple security-aware Domain Name Service server. One flaw was that
malformed DNS requests can trigger memory leaks, allowing denial of
service.
http://www.linuxsecurity.com/content/view/128616
* Debian: Subject: [DSA 1320-1] New clamav packages fix several
vulnerabilities
29th, June, 2007
Several remote vulnerabilities have been discovered in the Clam
anti-virus toolkit. The Common Vulnerabilities and Exposures project
found the flaws. It was discovered that the NsPack decompression code
performed insufficient sanitising on an internal length variable,
resulting in a potential buffer overflow.
http://www.linuxsecurity.com/content/view/128617
* Debian: Subject: [DSA 1322-1] New wireshark packages fix denial of
service
29th, June, 2007
Several remote vulnerabilities have been discovered in the Wireshark
network traffic analyzer, which may lead to denial of service. One
security flaw was is Off-by-one overflows were discovered in the
iSeries dissector.
http://www.linuxsecurity.com/content/view/128619
* Debian: Subject: [DSA 1324-1] New hiki packages fix missing input
sanitising
29th, June, 2007
Kazuhiro Nishiyama found a vulnerability in hiki, a Wiki engine
written in Ruby, which could allow a remote attacker to delete
arbitary files which are writable to the Hiki user, via a specially
crafted session parameter.
http://www.linuxsecurity.com/content/view/128621
* Debian: New evolution packages fix arbitrary code execution
29th, June, 2007
Several remote vulnerabilities have been discovered in Evolution, a
groupware suite with mail client and organizer. Ulf Harnhammer
discovered that a format string vulnerability in the handling of
shared calendars may allow the execution of arbitrary code.
http://www.linuxsecurity.com/content/view/128685
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| Distribution: Fedora | ----------------------------//
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* Fedora Core 6 Update: samba-3.0.24-7.fc6
29th, June, 2007
Bugfixes against the recent security patches. The bug names are
CVE-2007-2447 patch v2 and CVE-2007-2444 patch v2.
http://www.linuxsecurity.com/content/view/128622
* Fedora Core 5 Update: kernel-2.6.20-1.2320.fc5
29th, June, 2007
Integer underflow in the cpuset_tasks_read function in the
Linux kernel before 2.6.20.13, and 2.6.21.x before 2.6.21.4,
when the cpuset filesystem is mounted, allows local users to
obtain kernel memory contents by using a large offset when
reading the /dev/cpuset/tasks file.
http://www.linuxsecurity.com/content/view/128624
* Fedora Core 5 Update: libexif-0.6.12-5
29th, June, 2007
An integer overflow flaw was found in the way libexif parses EXIF
image tags. If a victim opens a carefully crafted EXIF image file it
could cause the application linked against libexif to execute
arbitrary code or crash. (CVE-2007-4168) Users of libexif should
upgrade to these updated packages, which contain a backported patch
and are not vulnerable to this issue.
http://www.linuxsecurity.com/content/view/128625
* Fedora Core 5 Update: openoffice.org-2.0.2-5.22.2
29th, June, 2007
A heap overflow flaw was found in the RTF import filer. An attacker
could create a carefully crafted RTF file that could cause
OpenOffice.org to crash or possibly execute arbitrary code if the
file was opened by a victim. All users of OpenOffice.org are advised
to upgrade to these updated packages, which contain a backported fix
to correct this issue.
http://www.linuxsecurity.com/content/view/128626
* Fedora Core 6 Update: kernel-2.6.20-1.2962.fc6
29th, June, 2007
Integer underflow in the cpuset_tasks_read function in the
Linux kernel before 2.6.20.13, and 2.6.21.x before 2.6.21.4,
when the cpuset filesystem is mounted, allows local users to
obtain kernel memory contents by using a large offset when
reading the /dev/cpuset/tasks file.
http://www.linuxsecurity.com/content/view/128627
* Fedora Core 5 Update: evolution-data-server-1.6.3-5.fc5
29th, June, 2007
This update fixes a security flaw in Evolution's IMAP module. Adds a
patch for a list of security bug which were reported.
http://www.linuxsecurity.com/content/view/128628
* Fedora Core 6 Update: evolution-data-server-1.8.3-7.fc6
29th, June, 2007
This update fixes a security flaw in Evolution's IMAP module. It add
a patch for RH bug #244287 (Camel IMAP security flaw).
http://www.linuxsecurity.com/content/view/128629
* Fedora Core 6 Update: libexif-0.6.15-2.fc6
29th, June, 2007
The libexif package contains the EXIF library. Applications
use this library to parse EXIF image files. An integer overflow flaw
was found in the way libexif parses EXIF image tags. If a victim
opens a carefully crafted EXIF image file it could cause the application
linked against libexif to execute arbitrary code or crash.
http://www.linuxsecurity.com/content/view/128630
* Fedora Core 5 Update: krb5-1.4.3-5.5
29th, June, 2007
This update incorporates fixes for a stack buffer overflow and heap
corruption in the RPC library, and a fix for a potential stack buffer
overflow in kadmind.
http://www.linuxsecurity.com/content/view/128633
* Fedora Core 6 Update: krb5-1.5-21.1
29th, June, 2007
This update incorporates fixes for a stack buffer overflow and heap
corruption in the RPC library, and a fix for a potential stack buffer
overflow in kadmind.
http://www.linuxsecurity.com/content/view/128634
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| Distribution: Gentoo | ----------------------------//
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* Gentoo: Mozilla products Multiple vulnerabilities
29th, June, 2007
Multiple vulnerabilities have been reported in Mozilla Firefox,
Thunderbird, SeaMonkey and XULRunner, some of which may allow
user-assisted arbitrary remote code execution.
http://www.linuxsecurity.com/content/view/128635
* Gentoo: PHProjekt Multiple vulnerabilities
29th, June, 2007
Multiple vulnerabilities have been discovered in PHProjekt, allowing
for the execution of arbitrary PHP and SQL code, and cross-site
scripting attacks.An authenticated user could elevate their
privileges by exploiting the vulnerabilities described above. Note
that the magic_quotes_gpc PHP configuration setting must be set to
"off" to exploit these vulnerabilities.
http://www.linuxsecurity.com/content/view/128636
* Gentoo: emul-linux-x86-java Multiple vulnerabilities
29th, June, 2007
Multiple vulnerabilities have been discovered in emul-linux-x86-java,
possibly resulting in the execution of arbitrary code or a Denial of
Service.
http://www.linuxsecurity.com/content/view/128637
* Gentoo: libexif Buffer overflow
29th, June, 2007
libexif does not properly handle image EXIF information, possibly
allowing for the execution of arbitrary code.An attacker could entice
a user of an application making use of a vulnerable version of
libexif to load a specially crafted image file, possibly resulting in
a crash of the application or the execution of arbitrary code with
the rights of the user running the application.
http://www.linuxsecurity.com/content/view/128638
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| Distribution: Mandriva | ----------------------------//
+---------------------------------+
* Mandriva: Updated apache packages fix mod_mem_cache issue
29th, June, 2007
The recall_headers function in mod_mem_cache in Apache 2.2.4 does not
properly copy all levels of header data, which can cause Apache to
return HTTP headers containing previously-used data, which could be
used to obtain potentially sensitive information by unauthorized
users. Updated packages have been patched to prevent this issue.
http://www.linuxsecurity.com/content/view/128639
* Mandriva: Updated libexif packages fix integer overflow flaw
29th, June, 2007
Another integer overflow was found in the way libexif parses EXIF
image tags. An individual who opened a carefully-crafted EXIF image
file could cause the application linked against libexif to crash or
possibly execute arbitrary code. Updated packages have been patched
to prevent this issue.
http://www.linuxsecurity.com/content/view/128640
* Mandriva: Updated jasper packages fix vulnerability
29th, June, 2007
A function in the JasPer JPEG-2000 library before 1.900 could allow
a remote user-assisted attack to cause a crash and possibly corrupt
the heap via malformed image files.
http://www.linuxsecurity.com/content/view/128641
* Mandriva: Updated proftpd packages fix authentication
29th, June, 2007
The Auth API in ProFTPD, when multiple simultaneous authentication
modules are configured, did not require that the module that checks
authentication is the same module that retrieves authentication data
http://www.linuxsecurity.com/content/view/128642
* Mandriva: Updated Thunderbird packages fix multiple
29th, June, 2007
A number of security vulnerabilities have been discovered and
corrected in the latest Mozilla Thunderbird program, version 2.0.0.4.
This update provides the latest Thunderbird to correct these issues.
http://www.linuxsecurity.com/content/view/128644
* Mandriva: Updated madwifi-source,
29th, June, 2007
The 802.11 network stack in MadWifi prior to 0.9.3.1 would alloa
remote attackers to cause a denial of service (system hang) via a crafted
length field in nested 802.3 Ethernet frames in Fast Frame packets,
which results in a NULL pointer dereference.
http://www.linuxsecurity.com/content/view/128645
* Mandriva: Updated emacs packages fix DoS vulnerability
29th, June, 2007
A vulnerability in emacs was discovered where it would crash when
processing certain types of images. Updated packages have been
patched to prevent this issue.
http://www.linuxsecurity.com/content/view/128648
* Mandriva: Updated xfsdump packages fix unsafe temporary
29th, June, 2007
The vulnerability is xfs_fsr in xfsdump creates a .fsr temporary
directory with insecure permissions, which allows local users to read
or overwrite arbitrary files on xfs filesystems. Updated packages
have been patched to prevent this issue.
http://www.linuxsecurity.com/content/view/128649
* Mandriva: Updated evolution packages fix vulnerability
29th, June, 2007
A flaw in Evolution/evolution-data-server was found in how Evolution
would process certain IMAP server messages. If a user were tricked
into connecting to a malicious IMAP server, it was possible that
arbitrary code could be executed with the privileges of the user
using Evolution. Updated packages have been patched to prevent
this issue.
http://www.linuxsecurity.com/content/view/128656
* Mandriva: Updated evolution packages fix vulnerability
29th, June, 2007
A flaw in Evolution/evolution-data-server was found in how Evolution
would process certain IMAP server messages. If a user were tricked
into connecting to a malicious IMAP server, it was possible that
arbitrary code could be executed with the privileges of the user
using Evolution. Updated packages have been patched to prevent
this issue.
http://www.linuxsecurity.com/content/view/128657
* Mandriva: Updated krb5 packages fix vulnerabilities
29th, June, 2007
David Coffey discovered an uninitialized pointer free flaw in the
RPC library used by kadmind. A remote unauthenticated attacker who
could access kadmind could trigger the flaw causing kadmind to crash
or possibly execute arbitrary code.
http://www.linuxsecurity.com/content/view/128658
* Mandriva: Updated e2fsprogs packages fix memory leak
29th, June, 2007
The libblkid library contained in the libext2fs2 package contains a
serious memory leak which can cause machines being used as NFS
servers to rapidly consume system memory. This update fixes the memory
leak.
http://www.linuxsecurity.com/content/view/128663
* Mandriva: Updated webmin packages fix XSS vulnerability
29th, June, 2007
Multiple cross-site scripting (XSS) vulnerabilities were discovered
in pam_login.cgi in webmin prior to version 1.350, which could allow
a remote attacker to inject arbitrary web script or HTML.
Updated packages have been patched to prevent this issue.
http://www.linuxsecurity.com/content/view/128664
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| Distribution: Red Hat | ----------------------------//
+---------------------------------+
* RedHat: Moderate: mod_perl security update
29th, June, 2007
Updated mod_perl packages that fix a security issue are now available
for Red Hat Enterprise Linux 2.1.
http://www.linuxsecurity.com/content/view/128666
* RedHat: Low: mod_perl security update
29th, June, 2007
Updated mod_perl packages that fix a security issue are now available
for Red Hat Application Stack.
http://www.linuxsecurity.com/content/view/128667
* RedHat: Important: evolution security update
29th, June, 2007
Updated evolution packages that fix a security bug are now available
for Red Hat Enterprise Linux 3 and 4.
http://www.linuxsecurity.com/content/view/128668
* RedHat: Important: evolution-data-server security update
29th, June, 2007
Updated evolution-data-server package that fixes a security bug are
now available for Red Hat Enterprise Linux 5.
http://www.linuxsecurity.com/content/view/128669
* RedHat: Important: kernel security update
29th, June, 2007
Updated kernel packages that fix several security issues and bugs in
the Red Hat Enterprise Linux 4 kernel are now available.
http://www.linuxsecurity.com/content/view/128670
* RedHat: Moderate: apache security update
29th, June, 2007
Updated Apache httpd packages that correct two security issues are
now available for Red Hat Enterprise Linux 2.1.
http://www.linuxsecurity.com/content/view/128671
* RedHat: Moderate: httpd security update
29th, June, 2007
Updated Apache httpd packages that correct two security issues are
now available for Red Hat Enterprise Linux 4.
http://www.linuxsecurity.com/content/view/128672
* RedHat: Moderate: httpd security update
29th, June, 2007
Updated Apache httpd packages that correct three security issues are
now available for Red Hat Enterprise Linux 5.
http://www.linuxsecurity.com/content/view/128673
* RedHat: Critical: krb5 security update
29th, June, 2007
Updated krb5 packages that fix several security flaws are now
available for Red Hat Enterprise Linux 2.1 and 3.
http://www.linuxsecurity.com/content/view/128674
* RedHat: Important: krb5 security update
29th, June, 2007
Updated krb5 packages that fix several security flaws are now
available for Red Hat Enterprise Linux 4 and 5.
http://www.linuxsecurity.com/content/view/128675
* RedHat: Critical: HelixPlayer security update
29th, June, 2007
An updated HelixPlayer package that fixes a buffer overflow flaw is
now available.
http://www.linuxsecurity.com/content/view/128676
* RedHat: Moderate: httpd security update
29th, June, 2007
Updated Apache httpd packages that correct two security issues and
two bugs are now available for Red Hat Enterprise Linux 3.A flaw was found
in the Apache HTTP Server mod_status module.
http://www.linuxsecurity.com/content/view/128677
* RedHat: Important: cman security update
29th, June, 2007
Updated cman packages that correct a security issue are now available
for Red Hat Enterprise Linux 5.A flaw was found in the cman daemon. A
local attacker could connect to the cman daemon and trigger a static
buffer overflow leading to a denial of service or, potentially, an
escalation of privileges This update has been rated as having
important security impact by the Red Hat Security Response Team.
http://www.linuxsecurity.com/content/view/128678
+---------------------------------+
| Distribution: Slackware | ----------------------------//
+---------------------------------+
* Slackware: gd
29th, June, 2007
GD is an open source code library for the dynamic creation of images.
New gd packages are available for Slackware 11.0, and -current to
fix possible security issues.
http://www.linuxsecurity.com/content/view/128679
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| Distribution: Ubuntu | ----------------------------//
+---------------------------------+
* Ubuntu: evolution-data-server vulnerability
29th, June, 2007
Philip Van Hoof discovered that the IMAP client in Evolution did not
correctly verify the SEQUENCE value. A malicious or spoofed server
could exploit this to execute arbitrary code with user privileges.
http://www.linuxsecurity.com/content/view/128680
* Ubuntu: redhat-cluster-suite vulnerability
29th, June, 2007
Fabio Massimo Di Nitto discovered that cman did not correctly
validate the size of client messages. A local user could send a
specially crafted message and execute arbitrary code with cluster
manager privileges or crash the manager, leading to a denial of
service.
http://www.linuxsecurity.com/content/view/128681
* Ubuntu: krb5 vulnerabilities
29th, June, 2007
Wei Wang discovered that the krb5 RPC library did not correctly
handle certain error conditions. A remote attacker could cause kadmind
to free an uninitialized pointer, leading to a denial of service or
possibly execution of arbitrary code with root privileges.
http://www.linuxsecurity.com/content/view/128682
* Ubuntu: libexif vulnerability
29th, June, 2007
Sean Larsson discovered that libexif did not correctly verify the
size of EXIF components. By tricking a user into opening an image
with specially crafted EXIF headers, a remote attacker could cause the
application using libexif to execute arbitrary code with user
privileges.
http://www.linuxsecurity.com/content/view/128683
* Ubuntu: MadWifi vulnerabilities
29th, June, 2007
Multiple flaws in the MadWifi driver were discovered that could lead
to a system crash. A physically near-by attacker could generate
specially crafted wireless network traffic and cause a denial of
service.
http://www.linuxsecurity.com/content/view/128684
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