USN-3199-1: Python Crypto vulnerability

Publication date

16 February 2017

Overview

Programs using the Python Cryptography Toolkit could be made to crash or run programs if they receive specially crafted network traffic or other input.


Packages

  • python-crypto - cryptographic algorithms and protocols for Python

Details

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.

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.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:


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