7.5

CVE-2021-39922

Exploit
Buffer overflow in the C12.22 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 <= 3.2.17
Wireshark ≫ Wireshark Version >= 3.4.0 <= 3.4.9
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 5.18% 0.914
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 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-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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-2021-39922.json
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17636
Patch
Third Party Advisory
Exploit
Issue Tracking
https://www.wireshark.org/security/wnpa-sec-2021-12.html
Vendor Advisory