CVEvulnerability
CVE-2011-1945
2.6 LOW
Official page ↗
- Status
- Modified
- Published
- 2011-05-31
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-310
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.
Affected configurations
• openssl openssl (<= 1.0.0d)
• openssl openssl 0.9.1c
• openssl openssl 0.9.2b
• openssl openssl 0.9.3
• openssl openssl 0.9.3a
• openssl openssl 0.9.4
• openssl openssl 0.9.5
• openssl openssl 0.9.5a
• openssl openssl 0.9.6
• openssl openssl 0.9.6a
• openssl openssl 0.9.6b
• openssl openssl 0.9.6c
• openssl openssl 0.9.6d
• openssl openssl 0.9.6e
• openssl openssl 0.9.6f
• openssl openssl 0.9.6g
• openssl openssl 0.9.6h
• openssl openssl 0.9.6i
• openssl openssl 0.9.6j
• openssl openssl 0.9.6k
• openssl openssl 0.9.6l
• openssl openssl 0.9.6m
• openssl openssl 0.9.7
• openssl openssl 0.9.7a
• openssl openssl 0.9.7b
• openssl openssl 0.9.7c
• openssl openssl 0.9.7d
• openssl openssl 0.9.7e
• openssl openssl 0.9.7f
• openssl openssl 0.9.7g
• openssl openssl 0.9.7h
• openssl openssl 0.9.7i
• openssl openssl 0.9.7j
• openssl openssl 0.9.7k
• openssl openssl 0.9.7l
• openssl openssl 0.9.7m
• openssl openssl 0.9.8
• openssl openssl 0.9.8a
• openssl openssl 0.9.8b
• openssl openssl 0.9.8c
• openssl openssl 0.9.8d
• openssl openssl 0.9.8e
• openssl openssl 0.9.8f
• openssl openssl 0.9.8g
• openssl openssl 0.9.8h
• openssl openssl 0.9.8i
• openssl openssl 0.9.8j
• openssl openssl 0.9.8k
• openssl openssl 0.9.8l
• openssl openssl 0.9.8m
• openssl openssl 0.9.8n
• openssl openssl 0.9.8o
• openssl openssl 0.9.8p
• openssl openssl 1.0.0
• openssl openssl 1.0.0a
• openssl openssl 1.0.0b
• openssl openssl 1.0.0c
Related
Weakness · not in database (1)
References
- http://eprint.iacr.org/2011/232.pdf Exploit
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html lists.apple.com
- http://secunia.com/advisories/44935 secunia.com
- http://support.apple.com/kb/HT5784 support.apple.com
- http://www.debian.org/security/2011/dsa-2309 www.debian.org
- http://www.kb.cert.org/vuls/id/536044 US Government Resource
- http://www.kb.cert.org/vuls/id/MAPG-8FENZ3 US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:136 www.mandriva.com
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:137 www.mandriva.com
- https://hermes.opensuse.org/messages/8760466 hermes.opensuse.org
- https://hermes.opensuse.org/messages/8764170 hermes.opensuse.org
- http://eprint.iacr.org/2011/232.pdf Exploit
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html lists.apple.com
- http://secunia.com/advisories/44935 secunia.com
- http://support.apple.com/kb/HT5784 support.apple.com
- http://www.debian.org/security/2011/dsa-2309 www.debian.org
- http://www.kb.cert.org/vuls/id/536044 US Government Resource
- http://www.kb.cert.org/vuls/id/MAPG-8FENZ3 US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:136 www.mandriva.com
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:137 www.mandriva.com
- https://hermes.opensuse.org/messages/8760466 hermes.opensuse.org
- https://hermes.opensuse.org/messages/8764170 hermes.opensuse.org