Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package opensc (opens in a new tab)
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.
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Test your applications- Snyk IDSNYK-UBUNTU1904-OPENSC-650406
- published25 Sept 2018
- disclosed4 Sept 2018
Introduced: 4 Sep 2018
CVE-2018-16421 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Ubuntu.
Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-16421
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16421
- https://security-tracker.debian.org/tracker/CVE-2018-16421
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1
- 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