aleph1/whoever i don't think the patch announcement has been posted to bugtraq for the yppasswd/ypbind vulnerability mray found some time ago (the one i forwarded to bugtraq back in may). please pass this on if you think it's appropriate. i checked to make sure patches were out and available, they appear to be. thanks. ____________________________ jose nazario joseat_private PGP: 89 B0 81 DA 5B FD 7E 00 99 C3 B2 CD 48 A0 07 80 PGP key ID 0xFD37F4E5 (pgp.mit.edu) -----BEGIN PGP SIGNED MESSAGE----- ________________________________________________________________________________ Sun Microsystems, Inc. Security Bulletin Bulletin Number: #00203 Date: June 21, 2001 Cross-Ref: AUSCERT AA-2001.03 Title: ypbind ________________________________________________________________________________ The information contained in this Security Bulletin is provided "AS IS." Sun makes no warranties of any kind whatsoever with respect to the information contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW. IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. If any of the above provisions are held to be in violation of applicable law, void, or unenforceable in any jurisdiction, then such provisions are waived to the extent necessary for this disclaimer to be otherwise enforceable in such jurisdiction. ________________________________________________________________________________ 1. Bulletins Topics Sun announces the release of patches for Solaris(tm) 8, 7, 2.6, 2.5.1, 2.5, and 2.4 (SunOS(tm) 5.8, 5.7, 5.6, 5.5.1, 5.5, and 5.4) which relate to a buffer overflow vulnerability in ypbind. Sun recommends that you install the patches listed in section 4 immediately on systems running SunOS 5.8, 5.7, 5.6, 5.5.1, 5.5, and 5.4 2. Who is Affected Vulnerable: SunOS 5.8, 5.8_x86, 5.7, 5.7_x86, 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86, 5.4, and 5.4_x86 Not vulnerable: SunOS 5.8 01/01* and SunOS 5.8_x86 01/01* and all later SunOS 5.8 update releases. SunOS 5.8 and SunOS 5.8_x86 with Maintenance Update (MU) 3* or a later MU applied. * To determine if one is running SunOS 5.8 01/01 or later or SunOS 5.8 Maintenance Update 3 or later, check the contents of the /etc/release file. 3. Understanding the Vulnerability The ypbind daemon runs on all client and server machines that are set up to use NIS. A buffer overflow vulnerability has been discovered in ypbind which may be exploited by a local or a remote attacker to gain root access. 4. List of Patches The following patches are available in relation to the above problems. OS Version Patch ID __________ _________ SunOS 5.8 110322-01 SunOS 5.8_x86 110323-01 SunOS 5.7 108750-02 SunOS 5.7_x86 108751-02 SunOS 5.6 105403-04 SunOS 5.6_x86 105404-04 SunOS 5.5.1 105165-04 SunOS 5.5.1_x86 105166-04 SunOS 5.5 105169-04 SunOS 5.5_x86 105170-04 SunOS 5.4 101973-41 SunOS 5.4_x86 101974-41 _______________________________________________________________________________ Sun acknowledges with thanks, AusCERT as well as Mark Dowd and Stephen James of IT Audit & Consulting, for bringing this issue to our attention and their assistance in the preparation of this bulletin. _______________________________________________________________________________ APPENDICES A. Patches listed in this bulletin are available to all Sun customers at: http://sunsolve.sun.com/securitypatch B. Checksums for the patches listed in this bulletin are available at: ftp://sunsolve.sun.com/pub/patches/CHECKSUMS C. Sun security bulletins are available at: http://sunsolve.sun.com/security D. 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This archive was generated by hypermail 2b30 : Thu Jul 05 2001 - 22:38:09 PDT