RPM could incorrectly validate package signatures.
It was discovered that RPM incorrectly handled signature checking. An attacker could create a specially-crafted rpm with an invalid signature which could pass the signature validation check.
17 January 2013
A security issue affects these releases of Ubuntu and its derivatives:
RPM could incorrectly validate package signatures.
It was discovered that RPM incorrectly handled signature checking. An attacker could create a specially-crafted rpm with an invalid signature which could pass the signature validation check.
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 update will make all the necessary changes.
Vulmon