Vulnerability Details 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. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408
- 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.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408
- 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.html
Products affected by CVE-2018-7421
-
cpe:2.3:a:wireshark:wireshark:2.2.0
-
cpe:2.3:a:wireshark:wireshark:2.2.1
-
cpe:2.3:a:wireshark:wireshark:2.2.10
-
cpe:2.3:a:wireshark:wireshark:2.2.11
-
cpe:2.3:a:wireshark:wireshark:2.2.12
-
cpe:2.3:a:wireshark:wireshark:2.2.2
-
cpe:2.3:a:wireshark:wireshark:2.2.3
-
cpe:2.3:a:wireshark:wireshark:2.2.4
-
cpe:2.3:a:wireshark:wireshark:2.2.5
-
cpe:2.3:a:wireshark:wireshark:2.2.6
-
cpe:2.3:a:wireshark:wireshark:2.2.7
-
cpe:2.3:a:wireshark:wireshark:2.2.8
-
cpe:2.3:a:wireshark:wireshark:2.2.9
-
cpe:2.3:a:wireshark:wireshark:2.4.0
-
cpe:2.3:a:wireshark:wireshark:2.4.1
-
cpe:2.3:a:wireshark:wireshark:2.4.2
-
cpe:2.3:a:wireshark:wireshark:2.4.3
-
cpe:2.3:a:wireshark:wireshark:2.4.4