Input validation error in netqmail and Debian Linux - CVE-2020-3811

 

Input validation error in netqmail and Debian Linux - CVE-2020-3811

Published: May 26, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34380
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3811
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: qmail
Debian
Affected software:
netqmail
Debian Linux

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.


How to mitigate CVE-2020-3811

Install update from vendor's website.

Sources