CVE-2018-14938

Public Exploit

Description

An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).

Category

9.1
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb third party advisory patch
https://github.com/simsong/tcpflow/issues/182 third party advisory exploit
https://usn.ubuntu.com/3955-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html mailing list

Frequently Asked Questions

What is the severity of CVE-2018-14938?
CVE-2018-14938 has been scored as a critical severity vulnerability.
How to fix CVE-2018-14938?
To fix CVE-2018-14938, 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-2018-14938 being actively exploited in the wild?
It is possible that CVE-2018-14938 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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