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[ GLSA 200505-09 ] Gaim: Denial of Service and buffer overflow vulnerabilties
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GLSA
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PostPosted: Thu May 12, 2005 4:53 am    Post subject: [ GLSA 200505-09 ] Gaim: Denial of Service and buffer overfl Reply with quote

Gentoo Linux Security Advisory

Title: Gaim: Denial of Service and buffer overflow vulnerabilties (GLSA 200505-09)
Severity: high
Exploitable: remote
Date: May 12, 2005
Bug(s): #91862
ID: 200505-09

Synopsis

Gaim contains two vulnerabilities, potentially resulting in the execution of arbitrary code or Denial of Service.

Background

Gaim is a full featured instant messaging client which handles a variety of instant messaging protocols.

Affected Packages

Package: net-im/gaim
Vulnerable: < 1.3.0
Unaffected: >= 1.3.0
Architectures: All supported architectures


Description

Stu Tomlinson discovered that Gaim is vulnerable to a remote stack based buffer overflow when receiving messages in certain protocols, like Jabber and SILC, with a very long URL (CAN-2005-1261). Siebe Tolsma discovered that Gaim is also vulnerable to a remote Denial of Service attack when receiving a specially crafted MSN message (CAN-2005-1262).

Impact

A remote attacker could cause a buffer overflow by sending an instant message with a very long URL, potentially leading to the execution of malicious code. By sending a SLP message with an empty body, a remote attacker could cause a Denial of Service or crash of the Gaim client.

Workaround

There are no known workarounds at this time.

Resolution

All Gaim users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-im/gaim-1.3.0"


References

CAN-2005-1261
CAN-2005-1262


Last edited by GLSA on Sun May 07, 2006 4:56 pm; edited 1 time in total
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