USN-1310-1: libarchive vulnerabilities

Releases

• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.10
• Ubuntu 10.04

Packages

• 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

• libarchive1 - 2.8.0-2ubuntu0.1

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

References

• CVE-2011-1777
• CVE-2011-1778