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CVE-2011-1945 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-310Cryptographic Issues[email protected]

Affected Products

ProductVersions
openssl openssl
<= 1.0.0d
0.9.1c
0.9.2b
0.9.3
0.9.3a

CPE

  • cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta4:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta5:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7:beta6:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7l:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.7m:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8g:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8j:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8k:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8l:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8m:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8n:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8o:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:0.9.8p:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:*
  • cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2011-1945
NVD Published Date:
May 31, 2011
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2011-1945 Details - Not Deferred