VulnerabilityModified
CVE-2017-13764
In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference.
HIGH 7.5EPSS 1.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.25% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- wireshark/wireshark
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/100545
- http://www.securitytracker.com/id/1039254
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13925Issue Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94
- 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 Tracking, Patch, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b87ffbd12bddf64582c0a6e082b462744474de94
- https://www.wireshark.org/security/wnpa-sec-2017-40.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.