CVE-2012-2417

Publication date 16 June 2012

Last updated 24 July 2024

Ubuntu priority

Description

PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-crypto	12.04 LTS precise	Fixed 2.4.1-1ubuntu0.1
	11.10 oneiric	Fixed 2.3-2ubuntu0.1
	11.04 natty	Fixed 2.1.0-2ubuntu1.1
	10.04 LTS lucid	Fixed 2.0.1+dfsg1-4ubuntu2.2
	8.04 LTS hardy	Ignored end of life

How can I get the fixes?
What do statuses mean?
Patch details

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python-crypto	Upstream: 9f912f1 Upstream: 8c94c6f Upstream: c575de4 Vendor: http://www.debian.org/security/2012/dsa-2502

References

MITRE
NVD
Launchpad
Debian

Related Ubuntu Security Notices (USN)

USN-1484-1
PyCrypto vulnerability
28 June 2012

Other references

https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog
https://www.cve.org/CVERecord?id=CVE-2012-2417