CVE-2018-12939 Information

Description

A directory traversal flaw in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows an authenticated attacker to write to (or potentially delete) arbitrary files via a .. (dot dot) in the \op/op.UploadChunks.php\ \qquuid\ parameter. NOTE: this can be leveraged to execute arbitrary code by using CVE-2018-12940.

CVSS Vector

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

Reference

https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG https://www.contextis.com/resources/advisories/cve-2018-12939

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5