CVE-2012-2417

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.09% Top 15%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2012/dsa-2502 vendor advisory
http://www.osvdb.org/82279 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html vendor advisory
https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2 patch exploit
http://www.mandriva.com/security/advisories?name=MDVSA-2012:117 vendor advisory
http://www.securityfocus.com/bid/53687 vdb entry
https://bugs.launchpad.net/pycrypto/+bug/985164
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html vendor advisory
http://secunia.com/advisories/49263 third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html vendor advisory
http://www.openwall.com/lists/oss-security/2012/05/25/1 mailing list
https://hermes.opensuse.org/messages/15083589 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/75871 vdb entry
https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog

Frequently Asked Questions

What is the severity of CVE-2012-2417?
CVE-2012-2417 has been scored as a medium severity vulnerability.
How to fix CVE-2012-2417?
To fix CVE-2012-2417, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-2417 being actively exploited in the wild?
It is possible that CVE-2012-2417 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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