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CVE-2018-0734

Updated on 30 Oct 2018

Severity

5.9 Medium severity

Details

CVSS score
5.9
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

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).

Details

Affected product:
AlmaLinux 8 , AlmaLinux 9.2 ESU , Alpine Linux 3.18 ELS , Alpine Linux 3.22 , CentOS 6 , CentOS 6 ELS , CentOS 7 , CentOS 7 ELS , CentOS 8 , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 7 ELS , Debian 10 , Debian 10 ELS , Debian 11 , Debian 12 , Debian 13 , Debian 9 , EL 10 , EL 7 , EL 8 , EL 9 , Oracle Linux 6 ELS , Oracle Linux 7 , Oracle Linux 7 ELS , Oracle Linux 8 , RHEL 6 , RHEL 7 , RHEL 7 ELS , RHEL 8 , TuxCare 9.6 ESU , Ubuntu 16.04 , Ubuntu 16.04 ELS , Ubuntu 16.04 ESM , Ubuntu 18.04 , Ubuntu 18.04 ELS , Ubuntu 20.04 , Ubuntu 20.04 ELS , Ubuntu 22.04 , Ubuntu 24.04
Affected packages:
openssl @ 1.1.1-1 (+46 more)
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).

Fixes