Information disclosure in OpenSSL - CVE-2018-0735
Published: October 29, 2018 / Updated: October 30, 2018
Vulnerability identifier: #VU15568
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0735
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenSSL Software Foundation
Affected software:
OpenSSL
OpenSSL
Detailed vulnerability description
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to disclosure of the OpenSSL ECDSA signature algorithm. A remote attacker can use variations in the signing algorithm to conduct a timing side channel attack and recover the private key.
How to mitigate CVE-2018-0735
The vulnerability has been fixed in the versions 1.1.0j, 1.1.1a.