CVE-2018-16743

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-09-13 · updated 2026-06-17
Weakness: CWE-787

Description

An issue was discovered in mgetty before 1.2.1. In contrib/next-login/login.c, the command-line parameter username is passed unsanitized to strcpy(), which can cause a stack-based buffer overflow.

Affected products

mgetty: before 1.2.1 — fixed in 1.2.1

How to fix

Upgrade to a fixed version: mgetty 1.2.1. Check the vendor advisory for mitigations.

References

https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty
https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty

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