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Category:   Application (Generic)  >   Xpdf Vendors:   Glyph and Cog
Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022073
SecurityTracker URL:  http://securitytracker.com/id/1022073
CVE Reference:   CVE-2009-0146, CVE-2009-0147, CVE-2009-0166, CVE-2009-0800, CVE-2009-1179, CVE-2009-1180, CVE-2009-1182   (Links to External Site)
Date:  Apr 17 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.02
Description:   Multiple vulnerabilities were reported in Xpdf. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted PDF file that, when loaded by the target user or application, will trigger a buffer overflow or memory free error in the JBIG2 decoder and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

Integer overflows can trigger code execution [CVE-2009-0147, CVE-2009-1179].

Buffer overflows can trigger code execution [CVE-2009-0146, CVE-2009-1182].

Several flaws may cause arbitrary memory to be incorrectly freed, executing arbitrary code [CVE-2009-0166, CVE-2009-1180].

Input validation flaws can trigger code execution [CVE-2009-0800].

Will Dormann of the CERT/CC created the JBIG2 decoder testsuite that was used to discover these vulnerabilities.

Impact:   A remote user can create a file that, when processed by the target user or application, will execute arbitrary code on the target system.
Solution:   The vendor has issued a patch, available at:

ftp://ftp.foolabs.com/pub/xpdf/xpdf-3.02pl3.patch

Vendor URL:  www.foolabs.com/xpdf/ (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:   Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Apr 17 2009 (Red Hat Issues Fix) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has released a fix for Red Hat Enterprise Linux 3 and 4.
Apr 17 2009 (Red Hat Issues Fix for CUPS) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has released a fix for CUPS for Red Hat Enterprise Linux 4 and 5.
Apr 17 2009 (Red Hat Issues Fix for kdegraphics) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has released a fix kdegraphics for Red Hat Enterprise Linux 4 and 5.
Apr 30 2009 (Red Hat Issues Fix for gpdf) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has released a fix for gpdf for Red Hat Enterprise Linux 4.
Oct 15 2009 (Sun Issues Fix for OpenSolaris) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code
Sun has issued a fix for OpenSolaris.



 Source Message Contents

Date:  Thu, 16 Apr 2009 20:37:33 -0400
Subject:  xpdf


Multiple integer overflow flaws were found in Xpdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause Xpdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0147,
CVE-2009-1179)

Multiple buffer overflow flaws were found in Xpdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause Xpdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0146,
CVE-2009-1182)

Multiple flaws were found in Xpdf's JBIG2 decoder that could lead to the
freeing of arbitrary memory. An attacker could create a malicious PDF file
that would cause Xpdf to crash or, potentially, execute arbitrary code when
opened. (CVE-2009-0166, CVE-2009-1180)

Multiple input validation flaws were found in Xpdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause Xpdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0800)
 
 


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