CVE-2018-9258

Public Exploit

Description

In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.69% Top 30%
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/gitweb?p=wireshark.git%3Ba=commit%3Bh=2d4695de1477df60b0188fd581c0c279db601978
https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html third party advisory mailing list
https://www.wireshark.org/security/wnpa-sec-2018-21.html vendor advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-9258?
CVE-2018-9258 has been scored as a high severity vulnerability.
How to fix CVE-2018-9258?
To fix CVE-2018-9258, 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-2018-9258 being actively exploited in the wild?
It is possible that CVE-2018-9258 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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