CVE-2018-16741 Information

Description

An issue was discovered in mgetty before 1.2.1. In fax/faxq-helper.c the function do_activate() does not properly sanitize shell metacharacters to prevent command injection. It is possible to use the || && or characters within a file created by the \faxq-helper activate jobid\ command.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://lists.debian.org/debian-lts-announce/2018/09/msg00012.html https://www.debian.org/security/2018/dsa-4291 https://www.x41-dsec.de/lab/advisories/x41-2018-007-mgetty

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8