NULL Pointer Dereference Affecting wireshark package, versions <2.2.7-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-ALPINE312-WIRESHARK-586938
- published2 Jun 2017
- disclosed2 Jun 2017
Introduced: 2 Jun 2017
CVE-2017-9343 (opens in a new tab)How to fix?
Upgrade Alpine:3.12 wireshark to version 2.2.7-r0 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 Alpine.
See How to fix? for Alpine:3.12 relevant fixed versions and status.
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the MSNIP dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-msnip.c by validating an IPv4 address.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9343
- https://security-tracker.debian.org/tracker/CVE-2017-9343
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1678
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13725
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=27556320b41904716b9c9f73ef8f4fe705d1e669
- http://www.securityfocus.com/bid/98797
- http://www.securitytracker.com/id/1038612
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9343
- https://www.wireshark.org/security/wnpa-sec-2017-30.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=27556320b41904716b9c9f73ef8f4fe705d1e669