Mandrake alert: Updated lynx packages fix CRLF injection vulnerability

Posted by dave on Feb 24, 2003 2:55 PM EDT
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A vulnerability was discovered in lynx, a text-mode web browser. The HTTP queries that lynx constructs are from arguments on the command line or the $WWW_HOME environment variable, but lynx does not properly sanitize special characters such as carriage returns or linefeeds. Extra headers can be inserted into the request because of this, which can cause scripts that use lynx to fetch data from the wrong site from servers that use virtual hosting.

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Mandrake Linux Security Update Advisory ________________________________________________________________________

Package name: lynx Advisory ID: MDKSA-2003:023 Date: February 24th, 2003

Affected versions: 7.2, 8.0, 8.1, 8.2, 9.0, Multi Network Firewall 8.2, Single Network Firewall 7.2 ________________________________________________________________________

Problem Description:

A vulnerability was discovered in lynx, a text-mode web browser. The HTTP queries that lynx constructs are from arguments on the command line or the $WWW_HOME environment variable, but lynx does not properly sanitize special characters such as carriage returns or linefeeds. Extra headers can be inserted into the request because of this, which can cause scripts that use lynx to fetch data from the wrong site from servers that use virtual hosting. ________________________________________________________________________

References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1405 ________________________________________________________________________

Updated Packages: Linux-Mandrake 7.2: 51b4a07587e21fae8c22ee96dda08165 7.2/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b 7.2/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.0: 0e9f7fac97a924915829181b129feb64 8.0/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b 8.0/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.0/PPC: 8bead3da1f305cc99fa00b7e6e1b21fc ppc/8.0/RPMS/lynx-2.8.5-0.10mdk.dev.8.ppc.rpm 3dc147ad3ce860da0b476b28c958b55b ppc/8.0/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.1: d70d1dc68846e77601e7648ad31e8407 8.1/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b 8.1/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.1/IA64: 3e342d5aed2f987fc156784a2a49e113 ia64/8.1/RPMS/lynx-2.8.5-0.10mdk.dev.8.ia64.rpm 3dc147ad3ce860da0b476b28c958b55b ia64/8.1/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.2: c2bc5c894bddc46b4ab7711691ba5b71 8.2/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b 8.2/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 8.2/PPC: ead8f99e26c7aaeb59782b0f85150840 ppc/8.2/RPMS/lynx-2.8.5-0.10mdk.dev.8.ppc.rpm 3dc147ad3ce860da0b476b28c958b55b ppc/8.2/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Mandrake Linux 9.0: 59fd26d160a9168588b3dde6a0405c5e 9.0/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b 9.0/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Multi Network Firewall 8.2: c2bc5c894bddc46b4ab7711691ba5b71 mnf8.2/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b mnf8.2/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm

Single Network Firewall 7.2: 51b4a07587e21fae8c22ee96dda08165 snf7.2/RPMS/lynx-2.8.5-0.10mdk.dev.8.i586.rpm 3dc147ad3ce860da0b476b28c958b55b snf7.2/SRPMS/lynx-2.8.5-0.10mdk.dev.8.src.rpm ________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information): ________________________________________________________________________

To upgrade automatically, use MandrakeUpdate. The verification of md5 checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of FTP mirrors can be obtained from:

http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of the downloaded package. You can do this with the command:

rpm --checksig <filename>

All packages are signed by MandrakeSoft for security. You can obtain the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to update.

You can view other update advisories for Mandrake Linux at:

http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that anyone can subscribe to. Information on these lists can be obtained by visiting:

http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

security_linux-mandrake.com

Type Bits/KeyID Date User ID pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team <security linux-mandrake.com>

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