Buffer overflow in Opensc Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Opensc Project
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 31
Weakness classification (CWE)
References
- github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68 (Patch, Third Party Advisory)
- github.com/OpenSC/OpenSC/compare/f1691fc...12218d4 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/09/msg00009.html (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/12/29/1 (mailing-list, Mailing List, Third Party Advisory, Release Notes)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2021/11/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15945?
- CVE-2019-15945 is a medium-severity vulnerability in Opensc Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.4/10. Published 2019-09-05.
- How severe is CVE-2019-15945?
- Medium severity. CVSS v3 base score is 6.4 out of 10.