CVE-2018-14938

Name: CVE-2018-14938
Creator: NVD / NIST
Published: 2018-08-05T03:29:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.75%

Last modified Jun 17, 2026

CVE-2018-14938 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.75% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability

2.75%

84.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Digitalcorpora	Tcpflow	<= 1.4.5	—
Digitalcorpora	Tcpflow	1.5.0	Alpha
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—
Canonical	Ubuntu Linux	18.10	—

References

https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40ebPatch, Third Party Advisory
https://github.com/simsong/tcpflow/issues/182Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
https://usn.ubuntu.com/3955-1/Third Party Advisory
https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40ebPatch, Third Party Advisory
https://github.com/simsong/tcpflow/issues/182Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
https://usn.ubuntu.com/3955-1/Third Party Advisory

Timeline

Published: Aug 5, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14938?

How severe is CVE-2018-14938?

Severity scoring for CVE-2018-14938 is pending analysis. The EPSS model estimates a 2.75% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14938?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14938?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST