CVE-2011-1945

Published: May 31, 2011Modified: Apr 29, 2026

2.6

Vector

AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability: 4.9 / Impact: 2.9

Source: NVD

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 (78)

Products: Openssl: Openssl

Openssl

1 product

Openssl

Configuration A

78 vulnerable

Vulnerable Software	Affected Versions
Openssl Openssl	Up to 1.0.0d
Openssl Openssl	Version 0.9.1c
Openssl Openssl	Version 0.9.2b
Openssl Openssl	Version 0.9.3
Openssl Openssl	Version 0.9.3a
Openssl Openssl	Version 0.9.4
Openssl Openssl	Version 0.9.5
Openssl Openssl	Version 0.9.5 beta1
Openssl Openssl	Version 0.9.5 beta2
Openssl Openssl	Version 0.9.5a
Openssl Openssl	Version 0.9.5a beta1
Openssl Openssl	Version 0.9.5a beta2
Openssl Openssl	Version 0.9.6
Openssl Openssl	Version 0.9.6 beta1
Openssl Openssl	Version 0.9.6 beta2
Openssl Openssl	Version 0.9.6 beta3
Openssl Openssl	Version 0.9.6a
Openssl Openssl	Version 0.9.6a beta1
Openssl Openssl	Version 0.9.6a beta2
Openssl Openssl	Version 0.9.6a beta3
Openssl Openssl	Version 0.9.6b
Openssl Openssl	Version 0.9.6c
Openssl Openssl	Version 0.9.6d
Openssl Openssl	Version 0.9.6e
Openssl Openssl	Version 0.9.6f
Openssl Openssl	Version 0.9.6g
Openssl Openssl	Version 0.9.6h
Openssl Openssl	Version 0.9.6i
Openssl Openssl	Version 0.9.6j
Openssl Openssl	Version 0.9.6k
Openssl Openssl	Version 0.9.6l
Openssl Openssl	Version 0.9.6m
Openssl Openssl	Version 0.9.7
Openssl Openssl	Version 0.9.7 beta1
Openssl Openssl	Version 0.9.7 beta2
Openssl Openssl	Version 0.9.7 beta3
Openssl Openssl	Version 0.9.7 beta4
Openssl Openssl	Version 0.9.7 beta5
Openssl Openssl	Version 0.9.7 beta6
Openssl Openssl	Version 0.9.7a
Openssl Openssl	Version 0.9.7b
Openssl Openssl	Version 0.9.7c
Openssl Openssl	Version 0.9.7d
Openssl Openssl	Version 0.9.7e
Openssl Openssl	Version 0.9.7f
Openssl Openssl	Version 0.9.7g
Openssl Openssl	Version 0.9.7h
Openssl Openssl	Version 0.9.7i
Openssl Openssl	Version 0.9.7j
Openssl Openssl	Version 0.9.7k
Openssl Openssl	Version 0.9.7l
Openssl Openssl	Version 0.9.7m
Openssl Openssl	Version 0.9.8
Openssl Openssl	Version 0.9.8a
Openssl Openssl	Version 0.9.8b
Openssl Openssl	Version 0.9.8c
Openssl Openssl	Version 0.9.8d
Openssl Openssl	Version 0.9.8e
Openssl Openssl	Version 0.9.8f
Openssl Openssl	Version 0.9.8g
Openssl Openssl	Version 0.9.8h
Openssl Openssl	Version 0.9.8i
Openssl Openssl	Version 0.9.8j
Openssl Openssl	Version 0.9.8k
Openssl Openssl	Version 0.9.8l
Openssl Openssl	Version 0.9.8m
Openssl Openssl	Version 0.9.8n
Openssl Openssl	Version 0.9.8o
Openssl Openssl	Version 0.9.8p
Openssl Openssl	Version 1.0.0
Openssl Openssl	Version 1.0.0 beta1
Openssl Openssl	Version 1.0.0 beta2
Openssl Openssl	Version 1.0.0 beta3
Openssl Openssl	Version 1.0.0 beta4
Openssl Openssl	Version 1.0.0 beta5
Openssl Openssl	Version 1.0.0a
Openssl Openssl	Version 1.0.0b
Openssl Openssl	Version 1.0.0c