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[ GLSA 200903-26 ] TMSNC: Execution of arbitrary code
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PostPosted: Thu Mar 12, 2009 2:26 pm    Post subject: [ GLSA 200903-26 ] TMSNC: Execution of arbitrary code Reply with quote

Gentoo Linux Security Advisory

Title: TMSNC: Execution of arbitrary code (GLSA 200903-26)
Severity: normal
Exploitable: remote
Date: March 12, 2009
Bug(s): #229157
ID: 200903-26

Synopsis

A buffer overflow in TMSNC might lead to the execution of arbitrary code when processing an instant message.

Background

TMSNC is a Textbased client for the MSN instant messaging protocol.

Affected Packages

Package: net-im/tmsnc
Vulnerable: <= 0.3.2-r1
Architectures: All supported architectures


Description

Nico Golde reported a stack-based buffer overflow when processing a MSN packet with a UBX command containing a large UBX payload length field.

Impact

A remote attacker could send a specially crafted message, possibly resulting in the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

Since TMSNC is no longer maintained, we recommend that users unmerge the vulnerable package and switch to another console-based MSN client such as CenterIM or Pebrot:
Code:
# emerge --unmerge "net-im/tmsnc"


References

CVE-2008-2828
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