CVE-2023-5992
Opensc: side-channel leaks while stripping encryption pkcs#1 padding
- State
- Published
- Severity
- 5.6 Medium
- Published
- Jan 31, 2024
- Updated
- Nov 6, 2025
- Reserved
- Nov 7, 2023
Description
A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.6 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L | redhat |
Weaknesses
- CWE-203 Observable Discrepancy
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 7Red Hat |
References
- RHSA-2024:0966vendor-advisory
- RHSA-2024:0967vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-5992vdb-entry
- RHBZ#2248685issue-tracking
- https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992
- https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OWIZ5ZLO5ECYPLSTESCF7I7PQO5X6ZSU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJI2FWLY24EOPALQ43YPQEZMEP3APPPI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UECKC7X4IM4YZQ5KRQMNBNKNOXLZC7RZ/
- https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
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