CVE-2018-0735

MEDIUM

OpenSSL 1.1.0-1.1.0i and 1.1.1 - Timing Side Channel Attack in ECDSA Signature Algorithm

Title source: llm
STIX 2.1

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)

Core 15
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105750
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3840-1/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20181105-0002/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041986
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4348
Vendor Advisory x_refsource_confirm
https://www.openssl.org/news/secadv/20181029.txt
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3700
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html

Scores

CVSS v3 5.9
EPSS 0.0480
EPSS Percentile 89.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-327
Status published
Products (41)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
netapp/cloud_backup
netapp/cn1610_firmware
netapp/element_software
netapp/oncommand_unified_manager
... and 31 more
Published Oct 29, 2018
Tracked Since Feb 18, 2026