VulnerabilityModified
CVE-2018-7421
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop.
HIGH 7.5EPSS 1.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- wireshark/wireshark
- Source
- cve@mitre.org
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408Exploit, Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=656812ee1f2a8ddfd383b02a066e888f5919e17a
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e8be5adae469ba563acfad2c2b98673e1afaf901
- https://www.wireshark.org/security/wnpa-sec-2018-06.htmlVendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408Exploit, Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=656812ee1f2a8ddfd383b02a066e888f5919e17a
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e8be5adae469ba563acfad2c2b98673e1afaf901
- https://www.wireshark.org/security/wnpa-sec-2018-06.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.