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Ubuntu: USN-3840-1 (CVE-2018-0734): OpenSSL vulnerabilities

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Ubuntu: USN-3840-1 (CVE-2018-0734): OpenSSL vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
10/29/2018
Created
03/19/2019
Added
12/21/2018
Modified
03/02/2020

Description

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).

Solution(s)

  • ubuntu-upgrade-libssl1-0-0
  • ubuntu-upgrade-libssl1-1

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