7.5

CVE-2021-39928

Exploit
NULL pointer exception in the IEEE 802.11 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wireshark ≫ Wireshark Version >= 3.2.0 < 3.2.18
Wireshark ≫ Wireshark Version >= 3.4.0 < 3.4.10
Fedoraproject ≫ Fedora Version34
Fedoraproject ≫ Fedora Version35
Debian ≫ Debian Linux Version9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.5% 0.918
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 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
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
cve@gitlab.com 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
CWE-476 NULL Pointer Dereference

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

https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2021/dsa-5019
Third Party Advisory
https://security.gentoo.org/glsa/202210-04
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39928.json
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17704
Third Party Advisory
Exploit
Issue Tracking
https://www.wireshark.org/security/wnpa-sec-2021-13.html
Vendor Advisory