CVE-2017-7704

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-12 · updated 2026-06-17
Weakness: CWE-835

Description

In Wireshark 2.2.0 to 2.2.5, the DOF dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dof.c by using a different integer data type and adjusting a return value.

Affected products

Wireshark Foundation Wireshark: 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5

References

http://www.securityfocus.com/bid/97634
http://www.securitytracker.com/id/1038262
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13453
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6032b0fe5fc1176ab77e03e20765f95fbd21b19e
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=da53a90b6895e47e03c5de05edf84bd99d535fd8
https://security.gentoo.org/glsa/201706-12
https://www.wireshark.org/security/wnpa-sec-2017-17.html
http://www.securityfocus.com/bid/97634
http://www.securitytracker.com/id/1038262
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13453
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6032b0fe5fc1176ab77e03e20765f95fbd21b19e
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=da53a90b6895e47e03c5de05edf84bd99d535fd8

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