Cryptographic Issues Affecting openssl package, versions <0.9.8o-4squeeze3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.64% (80th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-OPENSSL-374924
  • published27 Jan 2012
  • disclosed27 Jan 2012

Introduced: 27 Jan 2012

CVE-2011-4354  (opens in a new tab)
CWE-310  (opens in a new tab)

How to fix?

Upgrade Debian:unstable openssl to version 0.9.8o-4squeeze3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Scores

version 3.1