Vulnerability Description
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
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 | >= 2.4.0, <= 2.4.5 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472ExploitIssue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de
- https://lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-21.htmlVendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472ExploitIssue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de
- https://lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-21.htmlVendor Advisory
FAQ
What is CVE-2018-9258?
CVE-2018-9258 is a vulnerability with a CVSS score of 7.5 (HIGH). In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
How severe is CVE-2018-9258?
CVE-2018-9258 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-2018-9258?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Debian Debian Linux.