Piwigo 2.9.2 List Users API user_list_backend.php sSortDir_0 sql injection

Summaryinfo

A vulnerability classified as critical has been found in Piwigo 2.9.2. The affected element is an unknown function of the file /admin/user_list_backend.php of the component List Users API. The manipulation of the argument sSortDir_0 as part of Parameter leads to sql injection. This vulnerability is listed as CVE-2017-17822. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Piwigo 2.9.2 (Photo Gallery Software). This issue affects some unknown processing of the file /admin/user_list_backend.php of the component List Users API. The manipulation of the argument sSortDir_0 as part of a Parameter leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The List Users API of Piwigo 2.9.2 is vulnerable to SQL Injection via the /admin/user_list_backend.php sSortDir_0 parameter. An attacker can exploit this to gain access to the data in a connected MySQL database.

The bug was discovered 12/18/2017. The weakness was presented 12/21/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-17822 since 12/20/2017. The exploitation is known to be easy. The attack may be initiated remotely. Required for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 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/user_list_backend.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-110967, VDB-110966, VDB-110965 and VDB-110964 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Photo Gallery Software

Name

• Piwigo

Version

• 2.9.2

License

• open-source

Website

• Product: https://github.com/Piwigo/Piwigo/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion