CVE-2017-6473

Description

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Vendor Advisory debian.org Vendor Advisory wireshark.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13431 issue tracking patch vendor advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7edc761a01cda8e1b37677f673985582330317d2
http://www.debian.org/security/2017/dsa-3811 third party advisory vendor advisory
https://www.wireshark.org/security/wnpa-sec-2017-09.html vendor advisory
http://www.securityfocus.com/bid/96565 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-6473?
CVE-2017-6473 has been scored as a high severity vulnerability.
How to fix CVE-2017-6473?
To fix CVE-2017-6473, 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-2017-6473 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-6473 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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