NULL pointer dereference in Wireshark
CVE-2017-13764
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.012 · change: -0.000
Affected products
- Wireshark — versions 2.4.0
Weakness classification (CWE)
References
- code.wireshark.org/review/gitweb
- www.securityfocus.com/bid/100545 (vdb-entry)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- www.wireshark.org/security/wnpa-sec-2017-40.html (Vendor Advisory)
- www.securitytracker.com/id/1039254 (vdb-entry)
Frequently asked questions
- What is CVE-2017-13764?
- CVE-2017-13764 is a high-severity vulnerability in Wireshark, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-08-30.
- How severe is CVE-2017-13764?
- High severity. CVSS v3 base score is 7.5 out of 10.