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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
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CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
wiresharkwireshark
2.2.0 ≤
𝑥
≤ 2.2.12
wiresharkwireshark
2.4.0 ≤
𝑥
≤ 2.4.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bullseye
3.4.10-0+deb11u1
fixed
jessie
not-affected
wheezy
not-affected
bullseye (security)
3.4.16-0+deb11u1
fixed
bookworm
4.0.11-1~deb12u1
fixed
bookworm (security)
4.0.11-1~deb12u1
fixed
trixie
4.4.0-1
fixed
sid
4.4.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wireshark
bionic
Fixed 2.6.3-1~ubuntu18.04.1
released
artful
ignored
xenial
Fixed 2.6.3-1~ubuntu16.04.1
released
trusty
Fixed 2.6.3-1~ubuntu14.04.1
released
Common Weakness Enumeration
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