Evolution: User-assisted remote execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200707-03 / evolution-data-server
Release Date	July 02, 2007
Latest Revision	July 02, 2007: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
gnome-extra/evolution-data-server	< 1.8.3-r5	>= 1.8.3-r5, revision >= 1.6.2-r1	All supported architectures

Related bugreports: #182011

Synopsis

The IMAP client of Evolution contains a vulnerability potentially leading to the execution of arbitrary code.

2. Impact Information

Background

Evolution is the mail client of the GNOME desktop environment. Camel is the Evolution Data Server module that handles mail functions.

Description

The imap_rescan() function of the file camel-imap-folder.c does not properly sanitize the "SEQUENCE" response sent by an IMAP server before being used to index arrays.

Impact

A malicious or compromised IMAP server could trigger the vulnerability and execute arbitrary code with the permissions of the user running Evolution.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Evolution users should upgrade evolution-data-server to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose "gnome-extra/evolution-data-server"

4. References

CVE-2007-3257

Updated July 02, 2007

Summary: This is a Gentoo Linux Security Advisory

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