CVE-2018-18408

Description

A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the function post_args() at tcpbridge.c, causing a denial of service or possibly unspecified other impact.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/appneta/tcpreplay/issues/489 third party advisory patch
https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#use-after-free-in-post_args third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-18408?
CVE-2018-18408 has been scored as a critical severity vulnerability.
How to fix CVE-2018-18408?
To fix CVE-2018-18408, 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-2018-18408 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-18408 is being actively exploited. 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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