CVE-2023-5992: Opensc: side-channel leaks while stripping encryption pkcs#1 padding
First published: Wed Nov 08 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/OpenSC | <0.24.0 | 0.24.0 |
| OpenSC | <0.25.0 | |
| Red Hat Enterprise Linux | =7.0 | |
| Red Hat Enterprise Linux | =8.0 | |
| Red Hat Enterprise Linux | =9.0 | |
| redhat enterprise Linux eus | =9.4 | |
| redhat enterprise Linux for arm 64 | =8.0_aarch64 | |
| redhat enterprise Linux for arm 64 | =9.0_aarch64 | |
| Red Hat Enterprise Linux for ARM64 EUS | =9.4_aarch64 | |
| redhat enterprise Linux for ibm z systems | =8.0_s390x | |
| redhat enterprise Linux for ibm z systems | =9.0_s390x | |
| redhat enterprise Linux for ibm z systems eus | =9.4_s390x | |
| redhat enterprise Linux for power little endian | =9.0_ppc64le | |
| redhat enterprise Linux for power little endian eus | =9.4_ppc64le | |
| redhat enterprise Linux server aus | =9.4 | |
| redhat enterprise Linux server for power little endian update services for sap solutions | =9.2 | |
| redhat enterprise Linux server for power little endian update services for sap solutions | =9.4_ppc64le |
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Reference Links
- https://access.redhat.com/errata/RHSA-2024:0966
- https://access.redhat.com/errata/RHSA-2024:0967
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2248685#c10
- https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992
- https://www.cve.org/CVERecord?id=CVE-2023-5992
- https://nvd.nist.gov/vuln/detail/CVE-2023-5992
- https://bugzilla.redhat.com/show_bug.cgi?id=2248685
- https://access.redhat.com/security/cve/CVE-2023-5992
- https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf
Frequently Asked Questions
What is the severity of CVE-2023-5992?
The severity of CVE-2023-5992 is categorized as high due to the potential leak of private data through side-channel attacks.
How do I fix CVE-2023-5992?
To fix CVE-2023-5992, update OpenSC to version 0.24.0 or newer.
Which versions of OpenSC are affected by CVE-2023-5992?
OpenSC versions below 0.25.0 are affected by CVE-2023-5992.
What types of systems are vulnerable to CVE-2023-5992?
CVE-2023-5992 affects Red Hat Enterprise Linux versions 7.0 to 9.4 across various architectures.
What is the nature of the vulnerability in CVE-2023-5992?
CVE-2023-5992 is a vulnerability in OpenSC related to insufficient side-channel resistance in PKCS#1 encryption padding removal.
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