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Overview

Vulnerability Score 7.8 7.8
CVE Id CVE-2009-1955
Last Modified 10 Oct 2013 11:14:01
Published 07 Jun 2009 09:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE

CVE-2009-1955

Summary

The expat XML parser in the apr_xml_* interface in xml/apr_xml.c in Apache APR-util before 1.3.7, as used in the mod_dav and mod_dav_svn modules in the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, as demonstrated by a PROPFIND request, a similar issue to CVE-2003-1564.

Vulnerable Systems

Application

  • Apache Apr-util 0.9.1

  • Apache Apr-util 0.9.2

  • Apache Apr-util 0.9.3

  • Apache Apr-util 0.9.4

  • Apache Apr-util 0.9.5

  • Apache Apr-util 1.0

  • Apache Apr-util 1.0.1

  • Apache Apr-util 1.0.2

  • Apache Apr-util 1.1.0

  • Apache Apr-util 1.1.1

  • Apache Apr-util 1.1.2

  • Apache Apr-util 1.2.1

  • Apache Apr-util 1.2.2

  • Apache Apr-util 1.2.6

  • Apache Apr-util 1.2.7

  • Apache Apr-util 1.2.8

  • Apache Apr-util 1.3.0

  • Apache Apr-util 1.3.1

  • Apache Apr-util 1.3.2

  • Apache Apr-util 1.3.3

  • Apache Apr-util 1.3.4

  • Apache Apr-util 1.3.5

  • Apache Apr-util 1.3.6

  • Apache Http Server


References

DEBIAN - DSA-1812

CONFIRM - http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3

MLIST - [apr-dev] 20090602 [PATCH] prevent "billion laughs" attack against expat

FEDORA - FEDORA-2009-5969

FEDORA - FEDORA-2009-6261

FEDORA - FEDORA-2009-6014

VUPEN - ADV-2010-1107

VUPEN - ADV-2009-3184

VUPEN - ADV-2009-1907

UBUNTU - USN-787-1

UBUNTU - USN-786-1

BID - 35253

BUGTRAQ - 20090824 rPSA-2009-0123-1 apr-util

REDHAT - RHSA-2009:1108

REDHAT - RHSA-2009:1107

MLIST - [oss-security] 20090603 CVE request: "billion laughs" attack against Apache APR

MILW0RM - 8842

MANDRIVA - MDVSA-2009:131

CONFIRM - http://www-01.ibm.com/support/docview.wss?uid=swg27014463

AIXAPAR - PK99478

AIXAPAR - PK91241

AIXAPAR - PK88342

CONFIRM - http://wiki.rpath.com/Advisories:rPSA-2009-0123

CONFIRM - http://svn.apache.org/viewvc?view=rev&revision=781403

CONFIRM - http://support.apple.com/kb/HT3937

SLACKWARE - SSA:2009-167-02

GENTOO - GLSA-200907-03

SECUNIA - 37221

SECUNIA - 36473

SECUNIA - 35843

SECUNIA - 35797

SECUNIA - 35710

SECUNIA - 35565

SECUNIA - 35487

SECUNIA - 35444

SECUNIA - 35395

SECUNIA - 35360

SECUNIA - 35284

SECUNIA - 34724

HP - SSRT100345

SUSE - SUSE-SR:2010:011

APPLE - APPLE-SA-2009-11-09-1

CONFIRM - http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html

HP - HPSBUX02612

MANDRIVA - MDVSA-2013:150

Related Patches

Apple 2009-11-09 Mac OS X v10.6.2 Update


Last Updated: 27 May 2016 11:02:14