CVE-2017-13764
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925 ↗
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925Patch
- https://www.wireshark.org/security/wnpa-sec-2017-40.htmlAdvisory
- http://www.securityfocus.com/bid/100545
- http://www.securitytracker.com/id/1039254
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94