A vulnerability has been found in couponPHP and classified as critical. Affected by this vulnerability is an unknown function of the file comments_paginate.php. The manipulation of the argument iDisplayStart with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple SQL injection vulnerabilities in the admin area in couponPHP before 1.2.0 allow remote administrators to execute arbitrary SQL commands via the (1) iDisplayLength or (2) iDisplayStart parameter to (a) comments_paginate.php or (b) stores_paginate.php in admin/ajax/.

The weakness was presented 01/13/2015 (Website). The advisory is shared at xforce.iss.net. This vulnerability is known as CVE-2014-10034 since 01/13/2015. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1505 for this issue.

A public exploit has been developed by LiquidWorm and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 316 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:comments_paginate.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (91550), Exploit-DB (32037) and OSVDB (103895†). See VDB-73634 for similar entry.

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