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[ GLSA 200401-04 ] GAIM 0.75 Remote overflows
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GLSA
Bodhisattva
Bodhisattva


Joined: 17 Apr 2002
Posts: 2602
Location: Raleigh, NC

PostPosted: Tue Jan 27, 2004 11:10 pm    Post subject: [ GLSA 200401-04 ] GAIM 0.75 Remote overflows Reply with quote

Gentoo Linux Security Advisory

Title: GAIM 0.75 Remote overflows (GLSA 200401-04)
Severity: normal
Exploitable: man-in-the-middle
Date: January 26, 2004
Bug(s): #39470
ID: 200401-04

Synopsis


Various overflows in the handling of AIM DirectIM packets was revealed in
GAIM that could lead to a remote compromise of the IM client.


Background


Gaim is a multi-platform and multi-protocol instant messaging
client. It is compatible with AIM , ICQ, MSN Messenger, Yahoo,
IRC, Jabber, Gadu-Gadu, and the Zephyr networks.


Affected Packages

Package: net-im/gaim
Vulnerable: < 0.75-r7
Unaffected: >= 0.75-r7
Architectures: All supported architectures


Description


Yahoo changed the authentication methods to their IM servers,
rendering GAIM useless. The GAIM team released a rushed release
solving this issue, however, at the same time a code audit
revealed 12 new vulnerabilities.


Impact


Due to the nature of instant messaging many of these bugs require
man-in-the-middle attacks between the client and the server. But
the underlying protocols are easy to implement and attacking
ordinary TCP sessions is a fairly simple task. As a result, all
users are advised to upgrade their GAIM installation.

  • Users of GAIM 0.74 or below are affected by 7 of the
    vulnerabilities and are encouraged to upgrade.

  • Users of GAIM 0.75 are affected by 11 of the vulnerabilities
    and are encouraged to upgrade to the patched version of GAIM
    offered by Gentoo.

  • Users of GAIM 0.75-r6 are only affected by
    4 of the vulnerabilities, but are still urged to upgrade to
    maintain security.


Workaround


There is no immediate workaround; a software upgrade is required.


Resolution


All users are recommended to upgrade GAIM to 0.75-r7.
Code:
$> emerge sync
    $> emerge -pv ">=net-im/gaim-0.75-r7"
    $> emerge ">=net-im/gaim-0.75-r7"


References

Security advisory from Stefan Esser


Last edited by GLSA on Sat Sep 06, 2014 4:16 am; edited 5 times in total
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