Vulnerability Details : CVE-2020-26421
Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
Vulnerability category: Denial of service
Products affected by CVE-2020-26421
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26421
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26421
| 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 | |
|
4.2
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L |
1.6
|
2.5
|
GitLab Inc. | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-26421
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26421
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
[SECURITY] Fedora 33 Update: wireshark-3.4.2-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
[SECURITY] [DLA 2547-1] wireshark security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
[SECURITY] Fedora 32 Update: wireshark-3.4.2-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpuApr2021.html
Oracle Critical Patch Update Advisory - April 2021Patch;Third Party Advisory
-
https://gitlab.com/wireshark/wireshark/-/issues/16958
Buildbot crash output: fuzz-2020-10-27-8166.pcap (#16958) · Issues · Wireshark Foundation / wireshark · GitLabExploit;Issue Tracking;Third Party Advisory
-
https://www.wireshark.org/security/wnpa-sec-2020-17.html
BananasVendor Advisory
-
https://security.gentoo.org/glsa/202101-12
Wireshark: Multiple vulnerabilities (GLSA 202101-12) — Gentoo securityThird Party Advisory
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
2020/CVE-2020-26421.json · master · GitLab.org / cves · GitLabThird Party Advisory
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