zzcms 8.2 user/licence_save.php oldimg path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in zzcms 8.2. Affected by this vulnerability is an unknown functionality of the file user/licence_save.php. The manipulation of the argument oldimg leads to path traversal. This vulnerability is listed as CVE-2018-8969. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in zzcms 8.2 (Content Management System). It has been rated as critical. This issue affects an unknown functionality of the file user/licence_save.php. The manipulation of the argument oldimg with an unknown input 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 integrity, and availability. The summary by CVE is:

An issue was discovered in zzcms 8.2. user/licence_save.php allows remote attackers to delete arbitrary files via directory traversal sequences in the oldimg parameter in an action=modify request. This can be leveraged for database access by deleting install.lock.

The bug was discovered 03/22/2018. The weakness was presented 03/24/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-8969 since 03/24/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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:user/licence_save.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.

See VDB-114981, VDB-114980, VDB-114982 and VDB-114979 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• zzcms

Version

• 8.2

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

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

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