Home/CVE/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.
CVE

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.

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.

MEDIUM · CVSS 6.4 EPSS 0.00113
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

3
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

7
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
🔗

References & Sources

6
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 ListRelease NotesThird Party Advisory
https://github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68PatchThird 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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