Vulnerability Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.2.0, <= 2.2.13 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14469ExploitIssue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f05c3b91
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-19.htmlVendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14469ExploitIssue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f05c3b91
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-19.htmlVendor Advisory
FAQ
What is CVE-2018-9262?
CVE-2018-9262 is a vulnerability with a CVSS score of 7.5 (HIGH). In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.
How severe is CVE-2018-9262?
CVE-2018-9262 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-2018-9262?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Debian Debian Linux.