CVE-2021-42780

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.
Overview
  • CVE ID
  • CVE-2021-42780
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-04-18T17:15:16
  • Last Modified Date
  • 2022-09-29T15:59:54
Weakness Enumerations
CWE URL
CWE-252 http://cwe.mitre.org/data/definitions/252.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
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=28383 Issue Tracking Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016139 Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5df913b7 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-2021-42780
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42780
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:57 Added to TrackCVE