CVE-2019-15945
MEDIUMCVSS 6.4/10EPSS 0.44%
Last modified
CVE-2019-15945 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in libopensc/asn1.c.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in libopensc/asn1.c.
Metrics
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opensc Project | Opensc | <= 0.19.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 31 |
References
- http://www.openwall.com/lists/oss-security/2019/12/29/1Mailing List, Release Notes, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/12/29/1Mailing List, Release Notes, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-15945?
OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in libopensc/asn1.c.
How severe is CVE-2019-15945?
CVE-2019-15945 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2019-15945?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-15945?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST