CVE-2011-1945

low

Description

The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.

References

http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html

http://secunia.com/advisories/44935

https://hermes.opensuse.org/messages/8760466

https://hermes.opensuse.org/messages/8764170

http://support.apple.com/kb/HT5784

http://www.debian.org/security/2011/dsa-2309

http://www.kb.cert.org/vuls/id/536044

http://www.kb.cert.org/vuls/id/MAPG-8FENZ3

http://www.mandriva.com/security/advisories?name=MDVSA-2011:136

http://www.mandriva.com/security/advisories?name=MDVSA-2011:137

Details

Source: Mitre, NVD

Published: 2011-05-31

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low