Buffer overflow in Mgetty+Sendfax - CVE-2018-16743

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Main Vulnerability Database Vulnerabilities #VU31209

Buffer overflow in Mgetty+Sendfax - CVE-2018-16743

Published: September 13, 2018 / Updated: July 17, 2020


Vulnerability identifier: #VU31209
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16743
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: EDV-Beratung Gert Döring
Affected software:
Mgetty+Sendfax

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

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.


How to mitigate CVE-2018-16743

Install update from vendor's website.

Sources