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Sicherheit: Pufferüberläufe in libarchive
Aktuelle Meldungen Distributionen
Name: Pufferüberläufe in libarchive
ID: USN-1310-1
Distribution: Ubuntu
Plattformen: Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04, Ubuntu 11.10
Datum: Mo, 19. Dezember 2011, 15:31
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1777
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1778
Applikationen: libarchive

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-1310-1
December 19, 2011

libarchive 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

Summary:

libarchive could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- libarchive: Library to read/write archive files

Details:

It was discovered that libarchive incorrectly handled certain ISO 9660
image files. If a user were tricked into using a specially crafted
ISO 9660 image file, a remote attacker could cause libarchive to crash or
possibly execute arbitrary code with user privileges. (CVE-2011-1777)

It was discovered that libarchive incorrectly handled certain tar archive
files. If a user were tricked into using a specially crafted tar file, a
remote attacker could cause libarchive to crash or possibly execute
arbitrary code with user privileges. (CVE-2011-1778)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
libarchive1 2.8.4-1ubuntu0.11.10.1

Ubuntu 11.04:
libarchive1 2.8.4-1ubuntu0.11.04.1

Ubuntu 10.10:
libarchive1 2.8.4-1ubuntu0.10.10.1

Ubuntu 10.04 LTS:
libarchive1 2.8.0-2ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1310-1
CVE-2011-1777, CVE-2011-1778

Package Information:
https://launchpad.net/ubuntu/+source/libarchive/2.8.4-1ubuntu0.11.10.1
https://launchpad.net/ubuntu/+source/libarchive/2.8.4-1ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/libarchive/2.8.4-1ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/libarchive/2.8.0-2ubuntu0.1



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