Ubuntu Security Notice USN-272-1
24th April, 2006
cyrus-sasl2 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 5.10
- Ubuntu 5.04
- Ubuntu 4.10
Details
A Denial of Service vulnerability has been discovered in the SASL
authentication library when using the DIGEST-MD5 plugin. By sending a
specially crafted realm name, a malicious SASL server could exploit
this to crash the application that uses SASL.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 5.10:
- libsasl2-modules-gssapi-heimdal
- Ubuntu 5.04:
- libsasl2-modules-gssapi-heimdal
- Ubuntu 4.10:
- libsasl2-modules-gssapi-heimdal
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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