Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlitz | Pycrypto | <= 2.5 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html
- http://secunia.com/advisories/49263Vendor Advisory
- http://www.debian.org/security/2012/dsa-2502
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:117
- http://www.openwall.com/lists/oss-security/2012/05/25/1
- http://www.osvdb.org/82279
- http://www.securityfocus.com/bid/53687
- https://bugs.launchpad.net/pycrypto/+bug/985164
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75871
- https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbecExploitPatch
- https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/
- https://hermes.opensuse.org/messages/15083589
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html
FAQ
What is CVE-2012-2417?
CVE-2012-2417 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 t...
How severe is CVE-2012-2417?
CVE-2012-2417 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-2417?
Check the references section above for vendor advisories and patch information. Affected products include: Dlitz Pycrypto.