CVE-2012-2417

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.

Score

CVSS 2.0 4.3 Medium

Status

Modified - cve@mitre.org

Published

2012-06-17

Last modified

2024-08-06

Weaknesses

CWE-310

Affected products

• Pycrypto (Dlitz)

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/49263
• 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/9f912f13df99ad3421eff360d6a62d7dbec755c2
• https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog
• https://hermes.opensuse.org/messages/15083589