CVE-2017-17997

Description

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Category

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

References

Link Tags
https://code.wireshark.org/review/#/c/25063/ issue tracking patch vendor advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
https://www.wireshark.org/security/wnpa-sec-2018-02.html vendor advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 issue tracking patch vendor advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-17997?
CVE-2017-17997 has been scored as a high severity vulnerability.
How to fix CVE-2017-17997?
To fix CVE-2017-17997, 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-2017-17997 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-17997 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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