CVE-2021-3403

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.
Overview
  • CVE ID
  • CVE-2021-3403
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-04T22:15:14
  • Last Modified Date
  • 2022-04-25T20:17:58
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ytnef_project:ytnef:1.9.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/Yeraze/ytnef/issues/85 Exploit Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1926967 Issue Tracking Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:39 Added to TrackCVE
2022-12-05 23:10:05 2021-03-04T22:15Z 2021-03-04T22:15:14 CVE Published Date updated
2022-12-05 23:10:05 2022-04-25T20:17:58 CVE Modified Date updated
2022-12-05 23:10:05 Analyzed Vulnerability Status updated