CVE-2018-7334

Description

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.00% Top 25%

Vendor Advisory debian.org Vendor Advisory wireshark.org Vendor Advisory wireshark.org

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/103162	vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html	third party advisory mailing list
https://www.debian.org/security/2018/dsa-4217	third party advisory vendor advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14339	issue tracking vendor advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=8ed705e1227d3d582e3f0de435bba606d053d686
https://www.wireshark.org/security/wnpa-sec-2018-07.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7334?: CVE-2018-7334 has been scored as a high severity vulnerability.
How to fix CVE-2018-7334?: To fix CVE-2018-7334, 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-2018-7334 being actively exploited in the wild?: It is possible that CVE-2018-7334 is being exploited or will be exploited in a near future based on public information. 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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