5.9

CVE-2023-5992

Exploit

Opensc: side-channel leaks while stripping encryption pkcs#1 padding

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.
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.16% 0.629
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
secalert@redhat.com 5.6 2.2 3.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

https://access.redhat.com/errata/RHSA-2024:0966
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0967
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-5992
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2248685
Issue Tracking
https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992
Vendor Advisory
https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf
Exploit
Technical Description
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