Gaim sscanf out-of-bounds overflow
| gaim-sscanf-oob (14938) |  High Risk |
Description:
Gaim is vulnerable to a buffer overflow, caused by a vulnerability in the yahoo_decode function in the Yahoo Messenger (YMSG) protocol. A remote attacker can supply a specially-crafted string to the yahoo_decode function to overflow a buffer, overwrite memory, and possibly execute arbitrary code on the system.
Consequences:
Gain Access
Remedy:
Download and install the latest version of Gaim after version 0.75, as listed on the Sourceforge Gaim Web Site. See References.
For Slackware Linux:
Upgrade to the latest gaim package, as listed below. Refer to slackware-security Mailing List, Mon, 26 Jan 2004 16:14:45 -0800 (PST) for more information. See References.
Slackware Linux 9.0: 0.75-i386-1 or later
Slackware Linux 9.1 and current: 0.75-i486-1 or later
For Gentoo Linux:
Upgrade to the latest version of gaim (0.75-r7 or later), as listed in Gentoo Linux Security Announcement 200401-04. See References.
For SuSE Linux:
Upgrade to the latest gaim package, as listed below. Refer to SuSE Security Announcement SuSE-SA:2004:004 for more information. See References.
SuSE Linux 9.0 (Intel): 0.67-65 or later
SuSE Linux 8.2: 0.59.8-60 or later
SuSE Linux 8.1: 0.59-158 or later
SuSE Linux 8.0: 0.50-187 or later
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Full-Disclosure Mailing List, Mon Jan 26 2004 - 02:44:42 CST: Advisory 01/2004: 12 x Gaim remote overflows.
- Gentoo Linux Security Announcement 200401-04: GAIM 0.75 Remote overflows. (From LinuxSecurity archive)
- slackware-security Mailing List, Mon, 26 Jan 2004 16:14:45 -0800 (PST): GAIM security update (SSA:2004-026-01).
- Sourceforge Gaim Web site: Downloads.
Platforms Affected:
- Gaim Project Gaim 0.75
- Gentoo Linux
- Slackware Slackware Linux 9.0
- Slackware Slackware Linux 9.1
- Slackware Slackware Linux current
- SUSE SuSE Linux 8.0
- SUSE SuSE Linux 8.1
- SUSE SuSE Linux 8.2
- SUSE SuSE Linux 9.0
Reported:
Jan 26, 2004
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