Vulnerability Description
Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opensc Project | Opensc | < 0.22.0 |
| Fedoraproject | Fedora | 33 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2016439Issue TrackingPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/05648b06PatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/17d8980cPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/40c50a3aPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/5d4daf6cPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/cae5c71fPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
- https://security.gentoo.org/glsa/202209-03Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2016439Issue TrackingPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/05648b06PatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/17d8980cPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/40c50a3aPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/5d4daf6cPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/cae5c71fPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
FAQ
What is CVE-2021-42781?
CVE-2021-42781 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.
How severe is CVE-2021-42781?
CVE-2021-42781 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42781?
Check the references section above for vendor advisories and patch information. Affected products include: Opensc Project Opensc, Fedoraproject Fedora, Redhat Enterprise Linux.