CVE-2018-20250

Published February 5th, 2019

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CVSS v3

7.8

HIGH

CVSS v2

6.8

MEDIUM

Affected

PROJECT

Description

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

easis/CVE-2018-20250-WinRAR-ACE

Proof of concept code in C# to exploit the WinRAR ACE file extraction path (CVE-2018-20250).

GitHub