CVE-2019-15946

Home/CVE/OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in libopensc/asn1.c.

CVE

OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in libopensc/asn1.c.

MEDIUM · CVSS 6.4 EPSS 0.00092

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

▤

Affected Products & Versions

opensc project opensc<= 0.19.0
debian linuxall versions
fedoraproject fedoraall versions

▣

Scoring & Timeline

6.4

MEDIUM · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD05 Sep 2019 · 05:15 PM

CVSS VectorCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:11123-1
usnUSN-5281-1
suse-csafSUSE-SU-2022:1041-1
suse-csafopenSUSE-SU-2021:0565-1
suse-csafSUSE-SU-2021:1168-1
Show all 7 vendor advisoriessuse-csafSUSE-SU-2021:0998-1
rhsaRHSA-2020:4483Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://www.openwall.com/lists/oss-security/2019/12/29/1Mailing ListThird Party Advisory

https://github.com/OpenSC/OpenSC/commit/a3fc7693f3a035a8a7921cffb98432944bb42740PatchThird Party Advisory

https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4PatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/09/msg00009.htmlMailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2021/11/msg00027.htmlMailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/

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