Programs using the Python Cryptography Toolkit could be made to crash or run programs if they receive specially crafted network traffic or other input.
It was discovered that the ALGnew function in block_templace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter.
16 February 2017
A security issue affects these releases of Ubuntu and its derivatives:
Programs using the Python Cryptography Toolkit could be made to crash or run programs if they receive specially crafted network traffic or other input.
It was discovered that the ALGnew function in block_templace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter.
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