CVE-2018-0735
Moderate
CVE-2018-0735
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).
Exploit probability
4.8%
Published
October 29, 2018
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
36 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-0735
View original source
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).
05 / REFERENCES
Further evidence
- http://www.securityfocus.com/bid/105750
- http://www.securitytracker.com/id/1041986
- https://access.redhat.com/errata/RHSA-2019:3700
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
- https://lists.debian.org/debian-lts-announce/2018/11/msg00024.html
- https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/
- https://security.netapp.com/advisory/ntap-20181105-0002/
- https://usn.ubuntu.com/3840-1/
- https://www.debian.org/security/2018/dsa-4348
- https://www.openssl.org/news/secadv/20181029.txt
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html