CVE-2019-15946: 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 severity · published Sep 5, 2019

CVE-2019-15946

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

6.4

CVSS

0.4%

EPSS

On KEV

Description

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.

CVSS vector

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

Attack vector

Physical

Complexity

High

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 30% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 9.0 · source: NVD

Fedora · Fedoraproject

31 · source: NVD

Opensc · Opensc Project

through 0.19.0 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-15946

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-15946

Mailing List

http://www.openwall.com/lists/oss-security/2019/12/29/1

Patch

https://github.com/OpenSC/OpenSC/commit/a3fc7693f3a035a8a7921cffb98432944bb42740

Patch

https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4

Mailing List

https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html

Mailing List

https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html

lists.fedoraproject.org

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