CVE-2023-0464 — Improper Certificate Validation in Openssl
CWE-295 — Improper Certificate ValidationCWE-400 — Uncontrolled Resource Consumption25 documents11 sources
Severity
7.5HIGHNVD
OSV7.4
EPSS
1.0%
top 23.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 22
Latest updateNov 28
Description
A security vulnerability has been identified in all supported versions
of OpenSSL related to the verification of X.509 certificate chains
that include policy constraints. Attackers may be able to exploit this
vulnerability by creating a malicious certificate chain that triggers
exponential use of computational resources, leading to a denial-of-service
(DoS) attack on affected systems.
Policy processing is disabled by default but can be enabled by passing
the `-policy' argument to the command l…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6