CVE-2023-5992
Opensc: side-channel leaks while stripping encryption pkcs#1 padding
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-203 |
| Vendor | red hat |
| Product | red hat enterprise linux 8 |
| Published | Jan 31, 2024 |
| Last Updated | Nov 6, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0966 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0967 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-5992 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2248685 github.com: https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992 usenix.org: https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/OWIZ5ZLO5ECYPLSTESCF7I7PQO5X6ZSU/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/RJI2FWLY24EOPALQ43YPQEZMEP3APPPI/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/UECKC7X4IM4YZQ5KRQMNBNKNOXLZC7RZ/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
Credits
This issue was discovered by Hubert Kario (Red Hat).