CVE-2018-14938
tcpflow - security update
9.1
CRITICAL
CVSS 3.1
EPSS 0.52%
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).
How to fix CVE-2018-14938
To remediate CVE-2018-14938, upgrade the affected package to a fixed version below.
- —upgrade to 1.5.0-r0 or later
- —upgrade to 1.5.0+repack1-1 or later
- —upgrade to 1.4.4+repack1-3+deb8u1 or later
Is CVE-2018-14938 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.5.0-r0
- from 0, < 1.5.0+repack1-1
- from 0, < 1.4.4+repack1-3+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |