Use of a Broken or Risky Cryptographic Algorithm Affecting openssl package, versions <1.1.1a-1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.43% (76th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use of a Broken or Risky Cryptographic Algorithm vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-DEBIANUNSTABLE-OPENSSL-373436
  • published2 Dec 2018
  • disclosed29 Oct 2018

Introduced: 29 Oct 2018

CVE-2018-0735  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade Debian:unstable openssl to version 1.1.1a-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 OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).

CVSS Scores

version 3.1