CVE-2020-3812 Information

Description

qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of files and directories anywhere in the filesystem because qmail-verify runs as root and tests for the existence of files in the attacker’s home directory without dropping its privileges first.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://bugs.debian.org/961060 https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html https://usn.ubuntu.com/4556-1/ https://www.debian.org/security/2020/dsa-4692 https://www.openwall.com/lists/oss-security/2020/05/19/8

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5