CVE-2018-8741 Information

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.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2018/03/17/2 http://www.securitytracker.com/id/1040554 https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/ https://lists.debian.org/debian-lts-announce/2018/04/msg00012.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQWURMX7KZO/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73SS6PZONSAC/ https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/ https://www.debian.org/security/2018/dsa-4168

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

8.8