crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2012-01-27T00:00:00

Updated: 2024-08-07T00:01:51.637Z

Reserved: 2011-11-04T00:00:00

Link: CVE-2011-4354

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-01-27T00:55:01.033

Modified: 2024-11-21T01:32:17.897

Link: CVE-2011-4354

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-11-24T00:00:00Z

Links: CVE-2011-4354 - Bugzilla