CVE-2017-7704

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.

References

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

Frequently Asked Questions

What is the severity of CVE-2017-7704?: CVE-2017-7704 has been scored as a high severity vulnerability.
How to fix CVE-2017-7704?: To fix CVE-2017-7704, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7704 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-7704 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-835 – Loop with Unreachable Exit Condition ('Infinite Loop')

References

Frequently Asked Questions