7.5

CVE-2021-4186

Exploit
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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wireshark ≫ Wireshark Version >= 3.4.0 <= 3.4.10
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.15% 0.8
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
cve@gitlab.com 6.3 2.8 3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://security.gentoo.org/glsa/202210-04
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17737
Third Party Advisory
Exploit
Issue Tracking
https://www.wireshark.org/security/wnpa-sec-2021-16.html
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html