National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-2417 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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://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.securityfocus.com/bid/53687
https://bugs.launchpad.net/pycrypto/+bug/985164
https://exchange.xforce.ibmcloud.com/vulnerabilities/75871
https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog
https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2 Exploit Patch
https://hermes.opensuse.org/messages/15083589

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:dlitz:pycrypto:1.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.1:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:1.9:alpha6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.1.0:alpha1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.1.0:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.1.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:2.4.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:dlitz:pycrypto:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.5


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-2417
NVD Published Date:
06/16/2012
NVD Last Modified:
08/28/2017