USN-844-1: mimeTeX vulnerabilities

Releases

• Ubuntu 9.04
• Ubuntu 8.10
• Ubuntu 8.04

Packages

• 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 versions:

Ubuntu 9.04

• mimetex - 1.50-1ubuntu0.9.04.1

Ubuntu 8.10

• mimetex - 1.50-1ubuntu0.8.10.1

Ubuntu 8.04

• mimetex - 1.50-1ubuntu0.8.04.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References

• CVE-2009-1382
• CVE-2009-2459