CVE-2018-0734

MEDIUM

OpenSSL 1.0.2-1.0.2p 1.1.0-1.1.0i 1.1.1 - Timing Side Channel Attack via DSA Signature Algorithm

Title source: llm
STIX 2.1

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).

References (29)

Core 29
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3840-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4355
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20181105-0002/
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2018-17
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2018-16
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105758
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/20181030.txt
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190118-0002/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190423-0002/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2304
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3700
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3933
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3935
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3932
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2020.html

Scores

CVSS v3 5.9
EPSS 0.0506
EPSS Percentile 89.9%
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 (37)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 9.0
netapp/cloud_backup
netapp/cn1610_firmware
netapp/oncommand_unified_manager
netapp/santricity_smi-s_provider
netapp/snapcenter
... and 27 more
Published Oct 30, 2018
Tracked Since Feb 18, 2026