Ubuntu Security Notice USN-844-1
8th October, 2009
mimetex vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
Software description
- mimetex
Details
Chris Evans discovered that mimeTeX incorrectly handled certain long tags.
An attacker could exploit this with a crafted mimeTeX expression and cause
a denial of service or possibly execute arbitrary code. (CVE-2009-1382)
Chris Evans discovered that mimeTeX contained certain directives that may
be unsuitable for handling untrusted user input. This update fixed the
issue by disabling the \input and \counter tags. (CVE-2009-2459)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- mimetex 1.50-1ubuntu0.9.04.1
- Ubuntu 8.10:
- mimetex 1.50-1ubuntu0.8.10.1
- Ubuntu 8.04 LTS:
- mimetex 1.50-1ubuntu0.8.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.