CVE-2021-39923high
Description
Large loop in the PNRP 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
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
https://www.wireshark.org/security/wnpa-sec-2021-11.html
https://gitlab.com/wireshark/wireshark/-/issues/17684
https://www.debian.org/security/2021/dsa-5019
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
Details
Source: MITRE
Published: 2021-11-19
Updated: 2022-03-09
Type: CWE-834
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