Cryptographic issues in OpenSC - CVE-2023-5992
Published: March 1, 2024 / Updated: April 2, 2026
Vulnerability identifier: #VU86937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5992
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenSC
Affected software:
OpenSC
OpenSC
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to the PKCS#1 encryption padding removal is not implemented as side-channel resistant. A remote attacker can gain access to sensitive data.
How to mitigate CVE-2023-5992
Install updates from vendor's website.
Sources
- https://access.redhat.com/security/cve/CVE-2023-5992
- https://bugzilla.redhat.com/show_bug.cgi?id=2248685
- https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992
- https://access.redhat.com/errata/RHSA-2024:0966
- https://access.redhat.com/errata/RHSA-2024:0967
- https://github.com/OpenSC/OpenSC/security/advisories/GHSA-h6ww-xfc2-jw4h