GLSA 201206-23: PyCrypto: Weak key generation
| Severity: | normal |
| Title: | PyCrypto: Weak key generation |
| Date: | 06/24/2012 |
| Bugs: | |
| ID: | 201206-23 |
Synopsis
PyCrypto generates weak ElGamal keys.Background
PyCrypto is the Python Cryptography Toolkit.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| dev-python/pycrypto | < 2.6 | >= 2.6 | All supported architectures |
Description
An error in the generate() function in ElGamal.py causes PyCrypto to generate weak ElGamal keys.
Impact
A remote attacker might be able to derive private keys.
Workaround
There is no known workaround at this time.
Resolution
All PyCrypto users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/pycrypto-2.6"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.