Vulnerability Description
In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.
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 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/100545
- http://www.securitytracker.com/id/1039254
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925Issue TrackingPatchVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd1
- https://www.wireshark.org/security/wnpa-sec-2017-40.htmlVendor Advisory
- http://www.securityfocus.com/bid/100545
- http://www.securitytracker.com/id/1039254
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925Issue TrackingPatchVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd1
- https://www.wireshark.org/security/wnpa-sec-2017-40.htmlVendor Advisory
FAQ
What is CVE-2017-13764?
CVE-2017-13764 is a vulnerability with a CVSS score of 7.5 (HIGH). In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.
How severe is CVE-2017-13764?
CVE-2017-13764 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-2017-13764?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.