Improper Input Validation Affecting wireshark package, versions <1.12.1+g01b65bf-4+deb8u11
Threat Intelligence
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Start learning- Snyk IDSNYK-DEBIAN8-WIRESHARK-375379
- published4 Mar 2017
- disclosed4 Mar 2017
Introduced: 4 Mar 2017
CVE-2017-6473 (opens in a new tab)How to fix?
Upgrade Debian:8 wireshark to version 1.12.1+g01b65bf-4+deb8u11 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-6473
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13431
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=7edc761a01cda8e1b37677f673985582330317d2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6473
- http://www.debian.org/security/2017/dsa-3811
- http://www.securityfocus.com/bid/96565
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6473
- https://www.wireshark.org/security/wnpa-sec-2017-09.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7edc761a01cda8e1b37677f673985582330317d2