CVE-2021-4186

high

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

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json

https://gitlab.com/wireshark/wireshark/-/issues/17737

https://www.wireshark.org/security/wnpa-sec-2021-16.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/

https://lists.fedoraproject.org/archives/list/[email protected]/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/

https://lists.fedoraproject.org/archives/list/[email protected]/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/

https://security.gentoo.org/glsa/202210-04

Details

Source: MITRE

Published: 2021-12-30

Updated: 2022-11-04

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH