Buffer Overflow Affecting opensc package, versions <0:0.19.0-3.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RHEL7-OPENSC-4909947
- published26 Jul 2021
- disclosed12 Sept 2018
Introduced: 12 Sep 2018
CVE-2018-16422 (opens in a new tab)How to fix?
Upgrade RHEL:7 opensc to version 0:0.19.0-3.el7 or higher.
This issue was patched in RHSA-2019:2154.
NVD Description
Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in libopensc/pkcs15-esteid.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
References
- https://access.redhat.com/security/cve/CVE-2018-16422
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d64c08c80437cf0006ada91e50f20ba0
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- https://access.redhat.com/errata/RHSA-2019:2154