drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in libpng
Name: |
Zwei Probleme in libpng |
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ID: |
USN-1367-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04, Ubuntu 11.10 |
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Datum: |
Do, 16. Februar 2012, 22:34 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-5063
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3026 |
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Applikationen: |
libpng |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1367-1 February 16, 2012
libpng vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS
Summary:
libpng could be made to crash or run programs as your login if it opened a specially crafted file.
Software Description: - libpng: PNG (Portable Network Graphics) file library
Details:
It was discovered that libpng did not properly verify the embedded profile length of iCCP chunks. An attacker could exploit this to cause a denial of service via application crash. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-5063)
Jueri Aedla discovered that libpng did not properly verify the size used when allocating memory during chunk decompression. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program. (CVE-2011-3026)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 11.10: libpng12-0 1.2.46-3ubuntu1.1
Ubuntu 11.04: libpng12-0 1.2.44-1ubuntu3.2
Ubuntu 10.10: libpng12-0 1.2.44-1ubuntu0.2
Ubuntu 10.04 LTS: libpng12-0 1.2.42-1ubuntu2.3
Ubuntu 8.04 LTS: libpng12-0 1.2.15~beta5-3ubuntu0.5
After a standard system update you need to restart your session to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1367-1 CVE-2009-5063, CVE-2011-3026
Package Information: https://launchpad.net/ubuntu/+source/libpng/1.2.46-3ubuntu1.1 https://launchpad.net/ubuntu/+source/libpng/1.2.44-1ubuntu3.2 https://launchpad.net/ubuntu/+source/libpng/1.2.44-1ubuntu0.2 https://launchpad.net/ubuntu/+source/libpng/1.2.42-1ubuntu2.3 https://launchpad.net/ubuntu/+source/libpng/1.2.15~beta5-3ubuntu0.5
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