CVE-2018-0734 Detail

Current 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).


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.9 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
http://www.securityfocus.com/bid/105758 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2019:2304
https://access.redhat.com/errata/RHSA-2019:3700
https://access.redhat.com/errata/RHSA-2019:3932
https://access.redhat.com/errata/RHSA-2019:3933
https://access.redhat.com/errata/RHSA-2019:3935
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=43e6a58d4991a451daf4891ff05a48735df871ac Patch  Third Party Advisory 
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8abfe72e8c1de1b95f50aa0d9134803b4d00070f Patch  Third Party Advisory 
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ef11e19d1365eea2b1851e6f540a0bf365d303e7 Patch  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/
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://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-4348 Third Party Advisory 
https://www.debian.org/security/2018/dsa-4355 Third Party Advisory 
https://www.openssl.org/news/secadv/20181030.txt Vendor Advisory 
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpujan2020.html
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
https://www.tenable.com/security/tns-2018-16 Third Party Advisory 
https://www.tenable.com/security/tns-2018-17 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-327 Use of a Broken or Risky Cryptographic Algorithm cwe source acceptance level NIST  

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Change History

27 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0734
NVD Published Date:
10/30/2018
NVD Last Modified:
08/24/2020
Source:
OpenSSL Software Foundation