drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in libpng
Name: |
Denial of Service in libpng |
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ID: |
200611-09 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Fr, 17. November 2006, 18:09 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5793 |
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Applikationen: |
libpng |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200611-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: libpng: Denial of Service Date: November 17, 2006 Bugs: #154380 ID: 200611-09
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Synopsis ========
A vulnerability in libpng may allow a remote attacker to crash applications that handle untrusted images.
Background ==========
libpng is a free ANSI C library used to process and manipulate PNG images.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/libpng < 1.2.13 >= 1.2.13
Description ===========
Tavis Ormandy of the Gentoo Linux Security Audit Team discovered that a vulnerability exists in the sPLT chunk handling code of libpng, a large sPLT chunk may cause an application to attempt to read out of bounds.
Impact ======
A remote attacker could craft an image that when processed or viewed by an application using libpng causes the application to terminate abnormally.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All libpng users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.13"
References ==========
[ 1 ] CVE-2006-5793 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5793
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200611-09.xml
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License =======
Copyright 2006 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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