CVE-2019-19480

MEDIUM

OpenSC <0.20.0-rc3 - Memory Corruption

Title source: llm

Description

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.

References (4)

[Mailing List] http://www.openwall.com/lists/oss-security/2019/12/29/1

[Exploit, Patch, Third Party Advisory] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478

[Patch, Third Party Advisory] https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7

View Patch ZIP pw:eip

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/

Scores

CVSS v3 4.6

EPSS 0.0020

EPSS Percentile 41.8%

Attack Vector PHYSICAL

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

Classification

CWE

CWE-672

Status published

Affected Products (4)

opensc_project/opensc < 0.19.0

opensc_project/opensc

Timeline

Published Dec 01, 2019

Tracked Since Feb 18, 2026