Sylpheed, Sylpheed-claws: Message reply overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200503-26 / sylpheed sylpheed-claws
Release Date	March 20, 2005
Latest Revision	March 20, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
mail-client/sylpheed	< 1.0.3	>= 1.0.3	All supported architectures
mail-client/sylpheed-claws	< 1.0.3	>= 1.0.3	All supported architectures

Related bugreports: #84056

Synopsis

Sylpheed and Sylpheed-claws contain a vulnerability that can be triggered when replying to specially crafted messages.

2. Impact Information

Background

Sylpheed is a lightweight email client and newsreader. Sylpheed-claws is a 'bleeding edge' version of Sylpheed.

Description

Sylpheed and Sylpheed-claws fail to properly handle non-ASCII characters in email headers when composing reply messages.

Impact

An attacker can send an email containing a malicious non-ASCII header which, when replied to, would cause the program to crash, potentially allowing the execution of arbitrary code with the privileges of the user running the software.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Sylpheed users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/sylpheed-1.0.3"

All Sylpheed-claws users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/sylpheed-claws-1.0.3"

4. References

Page updated March 20, 2005

Summary: This is a Gentoo Linux Security Advisory

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