Synology Photo Station up to 6.5.3 download.php ID path traversal

Summaryinfo

A vulnerability was found in Synology Photo Station up to 6.5.3. It has been classified as critical. This issue affects some unknown processing of the file download.php. Performing a manipulation of the argument ID results in path traversal. This vulnerability is reported as CVE-2016-10331. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Synology Photo Station up to 6.5.3 (Network Attached Storage Software). This affects an unknown code block of the file download.php. The manipulation of the argument id with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. The summary by CVE is:

Directory traversal vulnerability in download.php in Synology Photo Station before 6.5.3-3226 allows remote attackers to read arbitrary files via a full pathname in the id parameter.

The bug was discovered 09/23/2015. The weakness was disclosed 05/12/2017 (Website). It is possible to read the advisory at synology.com. This vulnerability is uniquely identified as CVE-2016-10331 since 04/18/2017. It is possible to initiate the attack remotely. No form of 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 597 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:download.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 6.5.3-3226 eliminates this vulnerability.

The entries VDB-101126 and VDB-101125 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Network Attached Storage Software

Vendor

• Synology

Name

• Photo Station

Version

• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3

License

• commercial

Website

• Vendor: https://www.synology.com/

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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