CVE-2021-4186

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
Overview
  • CVE ID
  • CVE-2021-4186
  • Assigner
  • cve@gitlab.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-30T22:15:10
  • Last Modified Date
  • 2022-11-04T19:49:04
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* 1 OR 3.4.0 3.4.10
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 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:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17737 Exploit Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202210-04 Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-16.html Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-4186
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4186
History
Created Old Value New Value Data Type Notes
2022-05-10 06:34:16 Added to TrackCVE
2022-12-06 05:23:48 2021-12-30T22:15Z 2021-12-30T22:15:10 CVE Published Date updated
2022-12-06 05:23:48 2022-11-04T19:49:04 CVE Modified Date updated
2022-12-06 05:23:48 Analyzed Vulnerability Status updated
2022-12-06 05:23:52 References updated