CVE-2017-9343

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory wireshark.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/98797 vdb entry third party advisory
https://www.wireshark.org/security/wnpa-sec-2017-30.html vendor advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1678 issue tracking third party advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13725 issue tracking patch vendor advisory
http://www.securitytracker.com/id/1038612 vdb entry third party advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=27556320b41904716b9c9f73ef8f4fe705d1e669

Frequently Asked Questions

What is the severity of CVE-2017-9343?
CVE-2017-9343 has been scored as a high severity vulnerability.
How to fix CVE-2017-9343?
To fix CVE-2017-9343, 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-2017-9343 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9343 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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