Use of a Broken or Risky Cryptographic Algorithm Affecting openssl1.0 package, versions <1.0.2n-1ubuntu6.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
12.15% (96th percentile)

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  • Snyk IDSNYK-UBUNTU1810-OPENSSL10-371874
  • published2 Dec 2018
  • disclosed30 Oct 2018

Introduced: 30 Oct 2018

CVE-2018-0734  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.10 openssl1.0 to version 1.0.2n-1ubuntu6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl1.0 package and not the openssl1.0 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.10 relevant fixed versions and status.

The OpenSSL DSA 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 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).

References

CVSS Base Scores

version 3.1