Cryptographic Issues Affecting openssl package, versions <1.0.0e-1


Severity

Recommended
0.0
low
0
10

Based on Debian security rating.

Threat Intelligence

EPSS
3.43% (88th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-OPENSSL-374937
  • published31 May 2011
  • disclosed31 May 2011

Introduced: 31 May 2011

CVE-2011-1945  (opens in a new tab)
CWE-310  (opens in a new tab)

How to fix?

Upgrade Debian:unstable openssl to version 1.0.0e-1 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.

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.

CVSS Base Scores

version 3.1