Evolution: Integer overflow in camel-lock-helper

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200501-35 / evolution
Release Date	January 24, 2005
Latest Revision	January 24, 2005: 01
Impact	high
Exploitable	local and remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
mail-client/evolution	<= 2.0.2	>= 2.0.2-r1	All supported architectures

Related bugreports: #79183

Synopsis

An overflow in the camel-lock-helper application can be exploited by an attacker to execute arbitrary code with elevated privileges.

2. Impact Information

Background

Evolution is a GNOME groupware application similar to Microsoft Outlook.

Description

Max Vozeler discovered an integer overflow in the camel-lock-helper application, which is installed as setgid mail by default.

Impact

A local attacker could exploit this vulnerability to execute malicious code with the privileges of the 'mail' group. A remote attacker could also setup a malicious POP server to execute arbitrary code when an Evolution user connects to it.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Evolution users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/evolution-2.0.2-r1"

4. References

CAN-2005-0102

Page updated January 24, 2005

Summary: This is a Gentoo Linux Security Advisory

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