appRain 4.0.3: Path Traversal

["Curesec Research Team (CRT)" <crt () curesec com>]

Security Advisory - Curesec Research Team

1. Introduction

Affected Product:    appRain 4.0.3
Fixed in:            not fixed
Fixed Version Link:  n/a
Vendor Website:      info () apprain com
Vulnerability Type:  Path Traversal
Remote Exploitable:  Yes
Reported to vendor:  10/02/2015
Disclosed to public: 12/02/2015
Release mode:        Full Disclosure
CVE:                 requested, but not assigned
Credits              Tim Coen of Curesec GmbH

2. Vulnerability Description

CVSS

Medium 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Description

The "loc" Parameter of the appeditor is vulnerable to directory traversal,
which allows the viewing of arbitrary files.

Admin credentials are required to view files. It should be noted that an admin
already has code execution via the designated PHP file editor. Still, this is
an access violation in the context of this component.

3. Proof of Concept


http://localhost/apprain-source-4.0.3/appeditor?loc=../../../../../../../etc/passwd

6. Solution

This issue was not fixed by the vendor.

7. Report Timeline

10/02 Informed Vendor. Mailbox info () apprain com is full, used
/2015 security () apprain com instead (no reply)
10/21 Reminded Vendor of Disclosure Date
/2015
10/21 Vendor anounces fix for 11/02/2015
/2015
11/04 No fix released, extended public disclosure date to 11/11/2015
/2015
11/17 CVE Requested (no reply)
/2015
11/24 Reminded Vendor of release date, extended date to 12/02/2015 and offered
/2015 extension if needed (no reply)
12/02 Disclosed to public
/2015


Blog Reference:
https://blog.curesec.com/article/blog/appRain-403-Path-Traversal-113.html
 
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blog:  https://blog.curesec.com
tweet: https://twitter.com/curesec

Curesec GmbH
Curesec Research Team
Romain-Rolland-Str 14-24
13089 Berlin, Germany

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