CVE-2018-0734

MEDIUMMonitor

Published:Oct 30, 2018(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo Interaction

Vulnerability 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).

Attack Characteristics

Network AccessHigh ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
openssl	openssl	1.0.2 - 1.0.2p	-
openssl	openssl	1.1.0 - 1.1.0i	-
openssl	openssl	-

Timeline

Published
CVE disclosed publicly
Oct 30, 20187 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030....Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056....Mailing List
http://www.securityfocus.com/bid/105758Third Party Advisory

CVSS Score

v3.1

5.9/ 10.0

MEDIUM

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

At a Glance

Affected Products

References

openssl / openssl

https://access.redhat.com/errata/RHSA-2019:2304Third Party Advisory

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

https://access.redhat.com/errata/RHSA-2019:3932Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:3933Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:3935Third Party Advisory

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=43e6a...

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8abfe...

https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ef11e...

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

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

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

https://security.netapp.com/advisory/ntap-20190118-0002/Third Party Advisory

https://security.netapp.com/advisory/ntap-20190423-0002/Third Party Advisory

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

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

https://www.debian.org/security/2018/dsa-4355Third Party Advisory

https://www.openssl.org/news/secadv/20181030.txtVendor Advisory

https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory

https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-507281...Patch

https://www.oracle.com/technetwork/security-advisory/cpujan2019-507280...Patch

https://www.oracle.com/technetwork/security-advisory/cpujul2019-507283...Patch

https://www.tenable.com/security/tns-2018-16Third Party Advisory

https://www.tenable.com/security/tns-2018-17Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030....Mailing List

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056....Mailing List

http://www.securityfocus.com/bid/105758Third Party Advisory