Zen Cart 1.5.4 ajax.php act path traversal

Summaryinfo

A vulnerability was found in Zen Cart 1.5.4. It has been rated as critical. This affects an unknown function of the file ajax.php. The manipulation of the argument act with the input .. leads to path traversal. This vulnerability is uniquely identified as CVE-2015-8352. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Zen Cart 1.5.4 (Warehouse Management System Software). This issue affects an unknown function of the file ajax.php. The manipulation of the argument act with the input value .. leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, and integrity. The summary by CVE is:

Directory traversal vulnerability in Zen Cart 1.5.4 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the act parameter to ajax.php.

The bug was discovered 12/16/2015. The weakness was disclosed 08/24/2017 as confirmed posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2015-8352 since 11/25/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

A public exploit has been developed by High-Tech Bridge SA and been published before and not just after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 617 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:ajax.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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (39017). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Warehouse Management System Software

Name

• Zen Cart

Version

• 1.5.4

License

• open-source

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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