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USN-2981-1: libarchive vulnerabilities

17 May 2016

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

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Releases

Packages

  • libarchive - Library to read/write archive files

Details

It was discovered that libarchive incorrectly handled certain entry-size
values in ZIP archives. A remote attacker could use this issue to cause
libarchive to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10
and Ubuntu 16.04 LTS. (CVE-2016-1541)

It was discovered that libarchive incorrectly handled memory when
processing certain tar files. A remote attacker could use this issue to
cause libarchive to crash, resulting in a denial of service. (CVE number
pending)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

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

References