Vulnerability Details : CVE-2021-39928
Potential 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
Vulnerability category: Denial of service
Products affected by CVE-2021-39928
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39928
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39928
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
GitLab Inc. | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-39928
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39928
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
[SECURITY] Fedora 34 Update: wireshark-3.6.0-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
[SECURITY] Fedora 35 Update: wireshark-3.6.0-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.wireshark.org/security/wnpa-sec-2021-13.html
Wireshark · wnpa-sec-2021-13 · IEEE 802.11 dissector crashVendor Advisory
-
https://security.gentoo.org/glsa/202210-04
Wireshark: Multiple Vulnerabilities (GLSA 202210-04) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
[SECURITY] [DLA 2849-1] wireshark security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-5019
Debian -- Security Information -- DSA-5019-1 wiresharkThird Party Advisory
-
https://gitlab.com/wireshark/wireshark/-/issues/17704
Fuzz job crash output: fuzz-2021-10-31-6829.pcap (#17704) · Issues · Wireshark Foundation / wireshark · GitLabExploit;Issue Tracking;Third Party Advisory
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39928.json
2021/CVE-2021-39928.json · master · GitLab.org / cves · GitLabThird Party Advisory
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