CVE-2018-8741

Publication date 17 March 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
squirrelmail	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Fixed 2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 2:1.4.23~svn20120406-2+deb8u3build0.14.04.1

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

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