OpenCart up to 3.0.2.0 download.php editDownload path traversal

Summaryinfo

A vulnerability marked as critical has been reported in OpenCart up to 3.0.2.0. Impacted is the function editDownload of the file admin\model\catalog\download.php. This manipulation with the input ../ causes path traversal. This vulnerability is registered as CVE-2018-11495. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in OpenCart up to 3.0.2.0 (E-Commerce Management Software) and classified as problematic. Affected by this vulnerability is the function editDownload of the file admin\model\catalog\download.php. The manipulation with the input value ../ leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

OpenCart through 3.0.2.0 allows directory traversal in the editDownload function in admin\model\catalog\download.php via admin/index.php?route=catalog/download/edit, related to the download_id. For example, an attacker can download ../../config.php.

The bug was discovered 05/24/2018. The weakness was published 05/26/2018 (Website). It is possible to read the advisory at bigdiao.cc. This vulnerability is known as CVE-2018-11495 since 05/26/2018. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin\model\catalog\download.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entry is available at VDB-118254. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• E-Commerce Management Software

Name

• OpenCart

Version

• 3.0.0
• 3.0.1
• 3.0.2.0

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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