CVE-2018-9261

Public Exploit

Description

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.48%
Vendor Advisory debian.org Vendor Advisory wireshark.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471 issue tracking exploit vendor advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55
https://www.debian.org/security/2018/dsa-4217 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html third party advisory mailing list
https://www.wireshark.org/security/wnpa-sec-2018-18.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-9261?
CVE-2018-9261 has been scored as a high severity vulnerability.
How to fix CVE-2018-9261?
To fix CVE-2018-9261, 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-2018-9261 being actively exploited in the wild?
It is possible that CVE-2018-9261 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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