Vulnerability Description
Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 3.4.0, < 3.4.11 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
| Oracle | Http Server | 12.2.1.3.0 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4181.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/5429ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00041.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202210-04Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2021-21.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4181.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/5429ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00041.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202210-04Third Party Advisory
FAQ
What is CVE-2021-4181?
CVE-2021-4181 is a vulnerability with a CVSS score of 7.5 (HIGH). Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
How severe is CVE-2021-4181?
CVE-2021-4181 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4181?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Fedoraproject Fedora, Debian Debian Linux, Oracle Http Server, Oracle Zfs Storage Appliance Kit.