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Ubuntu Security Notice USN-1482-1

Ubuntu Security Notice USN-1482-1
Posted Jun 20, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1482-1 - It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote attacker could create a specially-crafted TAR file containing malware that could escape being detected. It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote attacker could create a specially-crafted CHM file containing malware that could escape being detected. Various other issues were also addressed.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2012-1459, CVE-2012-1458, CVE-2012-1457, CVE-2012-1458, CVE-2012-1459
SHA-256 | 7375ef9bb7213280f4fb2a900f61a9fef2a7a69735f1380307b67f2056e9e138

Ubuntu Security Notice USN-1482-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1482-1
June 19, 2012

clamav vulnerabilities
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

ClamAV could improperly detect malware if it opened a specially crafted
file.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

It was discovered that ClamAV incorrectly handled certain malformed TAR
archives. A remote attacker could create a specially-crafted TAR file
containing malware that could escape being detected. (CVE-2012-1457,
CVE-2012-1459)

It was discovered that ClamAV incorrectly handled certain malformed CHM
files. A remote attacker could create a specially-crafted CHM file
containing malware that could escape being detected. (CVE-2012-1458)

Update instructions:

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

Ubuntu 12.04 LTS:
clamav 0.97.5+dfsg-1ubuntu0.12.04.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.12.04.1
libclamav6 0.97.5+dfsg-1ubuntu0.12.04.1

Ubuntu 11.10:
clamav 0.97.5+dfsg-1ubuntu0.11.10.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.11.10.1
libclamav6 0.97.5+dfsg-1ubuntu0.11.10.1

Ubuntu 11.04:
clamav 0.97.5+dfsg-1ubuntu0.11.04.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.11.04.1
libclamav6 0.97.5+dfsg-1ubuntu0.11.04.1

Ubuntu 10.04 LTS:
clamav 0.96.5+dfsg-1ubuntu1.10.04.4
clamav-daemon 0.96.5+dfsg-1ubuntu1.10.04.4
libclamav6 0.96.5+dfsg-1ubuntu1.10.04.4

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

References:
http://www.ubuntu.com/usn/usn-1482-1
CVE-2012-1457, CVE-2012-1458, CVE-2012-1459

Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.12.04.1
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.10.1
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/clamav/0.96.5+dfsg-1ubuntu1.10.04.4
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