Evgeny Legerov discovered that gnupg did not sufficiently check the validity of the comment and a control field. Specially crafted GPG data could cause a buffer overflow. This could be exploited to execute arbitrary code with the user’s privileges if an attacker can trick an user into processing a malicious encrypted/signed document with gnupg.
The problem can be corrected by updating your system to the following package versions:
3 August 2006
A security issue affects these releases of Ubuntu and its derivatives:
Evgeny Legerov discovered that gnupg did not sufficiently check the validity of the comment and a control field. Specially crafted GPG data could cause a buffer overflow. This could be exploited to execute arbitrary code with the user’s privileges if an attacker can trick an user into processing a malicious encrypted/signed document with gnupg.
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon