CVE-2018-0735

MEDIUM

Openssl < 1.1.0i - Broken Cryptographic Algorithm

Title source: rule

Description

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).

References (15)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/105750

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041986

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2019:3700

[Vendor Advisory] https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1

[Vendor Advisory] https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html

[Third Party Advisory] https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20181105-0002/

[Third Party Advisory] https://usn.ubuntu.com/3840-1/

[Third Party Advisory] https://www.debian.org/security/2018/dsa-4348

[Vendor Advisory] https://www.openssl.org/news/secadv/20181029.txt

[Third Party Advisory] https://www.oracle.com/security-alerts/cpujan2020.html

[Patch, Third Party Advisory] https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

[Patch, Third Party Advisory] https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

[Patch, Third Party Advisory] https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

Scores

CVSS v3 5.9

EPSS 0.0704

EPSS Percentile 91.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-327

Status published

Affected Products (42)

openssl/openssl < 1.1.0i

openssl/openssl

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

debian/debian_linux

debian/debian_linux

nodejs/node.js < 10.12.0

nodejs/node.js

netapp/cn1610_firmware

netapp/cloud_backup

netapp/element_software

netapp/oncommand_unified_manager

netapp/oncommand_unified_manager

... and 27 more

Timeline

Published Oct 29, 2018

Tracked Since Feb 18, 2026