Gentoo Linux Security Advisory GLSA 200710-17

                                        http://security.gentoo.org/

Severity: Normal
Title: Balsa: Buffer overflow
Date: October 16, 2007
Bugs: #193179
ID: 200710-17

Synopsis

Balsa is vulnerable to a buffer overflow allowing for the user-assisted
execution of arbitrary code.

Background

Balsa is a highly configurable email client for GNOME.

Affected packages

-------------------------------------------------------------------
 Package            /  Vulnerable  /                    Unaffected
-------------------------------------------------------------------

1 mail-client/balsa < 2.3.20 >= 2.3.20

Description

Evil Ninja Squirrel discovered a stack-based buffer overflow in the
ir_fetch_seq() function when receiving a long response to a FETCH
command (CVE-2007-5007).

Impact

A remote attacker could entice a user to connect to a malicious or
compromised IMAP server, possibly leading to the execution of arbitrary
code with the rights of the user running Balsa.

Workaround

There is no known workaround at this time.

Resolution

All Balsa users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/balsa-2.3.20"

References

[ 1 ] CVE-2007-5007
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5007

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200710-17.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License

Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5