CVE-2021-42781 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Project Opensc

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-787 — Out-of-bounds Write7 documents7 sources
Severity
5.3MEDIUMNVD
EPSS
0.1%
top 69.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Opensc Project OpenscFedoraproject FedoraRedhat Enterprise Linux
Timeline
PublishedApr 18
Latest updateApr 19

Description

Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶NVDopensc_project/opensc< 0.22.0
▶Debianopensc_project/opensc< 0.21.0-1+deb11u1+3
▶CVEListV5opensc_project/openscopensc 0.22.0

Also affects: Fedora 33, Enterprise Linux 7.0

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-93j9-4rqq-x6gr: Heap buffer overflow issues were found in Opensc before version 0↗2022-04-19
▶
OSV
CVE-2021-42781: Heap buffer overflow issues were found in Opensc before version 0↗2022-04-18
▶
CVEList
CVE-2021-42781: Heap buffer overflow issues were found in Opensc before version 0↗2022-04-18
▶

📋Vendor Advisories

3
Microsoft
Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.↗2022-04-12
▶
Red Hat
opensc: Heap buffer overflow in pkcs15-oberthur.c↗2021-03-18
▶
Debian
CVE-2021-42781: opensc - Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15...↗2021
▶
CVE-2021-42781 — Opensc Project Opensc vulnerability | cvebase