CVE-2021-42779

CVSS V2 Medium 5 CVSS V3 Medium 5.3

Description

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

Overview

CVE ID
CVE-2021-42779

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-04-18T17:15:16

Last Modified Date
2022-09-29T15:56:44

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:opensc_project:opensc::::::::	1	OR		0.22.0
cpe:2.3:o:fedoraproject:fedora:33:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
LOW

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843	Issue Tracking Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016086	Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/1db88374	Patch Third Party Advisory
https://security.gentoo.org/glsa/202209-03	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-42779
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42779

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:25:34				Added to TrackCVE