To: bugtraqat_private announceat_private security-alertsat_private ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: Linux: Apache Web Server Chunk Handling Vulnerability Advisory number: CSSA-2002-029.0 Issue date: 2002 June 20 Cross reference: ______________________________________________________________________________ 1. Problem Description There is a remotely exploitable vulnerability in the handling of large chunks of data in web servers that are based on Apache source code. 2. Vulnerable Supported Versions System Package ---------------------------------------------------------------------- OpenLinux 3.1.1 Server prior to apache-1.3.22-6.i386.rpm prior to apache-devel-1.3.22-6.i386.rpm prior to apache-doc-1.3.22-6.i386.rpm OpenLinux 3.1.1 Workstation prior to apache-1.3.22-6.i386.rpm prior to apache-devel-1.3.22-6.i386.rpm prior to apache-doc-1.3.22-6.i386.rpm OpenLinux 3.1 Server prior to apache-1.3.22-6.i386.rpm prior to apache-devel-1.3.22-6.i386.rpm prior to apache-doc-1.3.22-6.i386.rpm OpenLinux 3.1 Workstation prior to apache-1.3.22-6.i386.rpm prior to apache-devel-1.3.22-6.i386.rpm prior to apache-doc-1.3.22-6.i386.rpm 3. Solution The proper solution is to install the latest packages. 4. OpenLinux 3.1.1 Server 4.1 Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/RPMS 4.2 Packages f2f7e9ce5ea54e69d7275393c22630fe apache-1.3.22-6.i386.rpm c17b06f0057f1728a46eae1e98e68162 apache-devel-1.3.22-6.i386.rpm 6d9e8504f28986f4a1d7a4e0e3213566 apache-doc-1.3.22-6.i386.rpm 4.3 Installation rpm -Fvh apache-1.3.22-6.i386.rpm rpm -Fvh apache-devel-1.3.22-6.i386.rpm rpm -Fvh apache-doc-1.3.22-6.i386.rpm 4.4 Source Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS 4.5 Source Packages be49e9dd27ee59ca92047c14bd3dc170 apache-1.3.22-6.src.rpm 5. OpenLinux 3.1.1 Workstation 5.1 Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/RPMS 5.2 Packages f97e188e91238ca9da0a5166a69304c4 apache-1.3.22-6.i386.rpm eb4d50309740a5c5a922e48357e76f93 apache-devel-1.3.22-6.i386.rpm a9855218c3b3e43c02315f19e76edc0b apache-doc-1.3.22-6.i386.rpm 5.3 Installation rpm -Fvh apache-1.3.22-6.i386.rpm rpm -Fvh apache-devel-1.3.22-6.i386.rpm rpm -Fvh apache-doc-1.3.22-6.i386.rpm 5.4 Source Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/SRPMS 5.5 Source Packages de01c304396d9f99e39ac07739d51a98 apache-1.3.22-6.src.rpm 6. OpenLinux 3.1 Server 6.1 Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS 6.2 Packages 1f3fc745848367bca81d567ddfe3da30 apache-1.3.22-6.i386.rpm fecf254f55ef9424c14897bf809a34c8 apache-devel-1.3.22-6.i386.rpm de2a877889489b07fc2e873cd2fb74bb apache-doc-1.3.22-6.i386.rpm 6.3 Installation rpm -Fvh apache-1.3.22-6.i386.rpm rpm -Fvh apache-devel-1.3.22-6.i386.rpm rpm -Fvh apache-doc-1.3.22-6.i386.rpm 6.4 Source Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS 6.5 Source Packages a8a9d123784e4f6995b3ec696924b5d8 apache-1.3.22-6.src.rpm 7. OpenLinux 3.1 Workstation 7.1 Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS 7.2 Packages f98ee1d900a26571613367e00a5916b8 apache-1.3.22-6.i386.rpm 12e7d9ff5fe04e6d4884a02db248bc8b apache-devel-1.3.22-6.i386.rpm 9096714909c70c99273e78b10ace3ce4 apache-doc-1.3.22-6.i386.rpm 7.3 Installation rpm -Fvh apache-1.3.22-6.i386.rpm rpm -Fvh apache-devel-1.3.22-6.i386.rpm rpm -Fvh apache-doc-1.3.22-6.i386.rpm 7.4 Source Package Location ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS 7.5 Source Packages 977a132032c7f6df823bda2ae8397fca apache-1.3.22-6.src.rpm 8. References Specific references for this advisory: http://www.cert.org/advisories/CA-2002-17.html http://httpd.apache.org/info/security_bulletin_20020617.txt Caldera security resources: http://www.caldera.com/support/security/index.html This security fix closes Caldera incidents sr865896, fz521277, erg712080. 9. Disclaimer Caldera International, Inc. is not responsible for the misuse of any of the information we provide on this website and/or through our security advisories. Our advisories are a service to our customers intended to promote secure installation and use of Caldera products. 10. Acknowledgements Neel Mehta of the ISS X-Force discovered this vulnerability. Mark Litchfield reported this vulnerability to the Apache Software Foundation, and Mark Cox reported it to the CERT/CC. ______________________________________________________________________________
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