Summaryinfo

A vulnerability was found in Sony Bravia TV up to 8.587 and classified as critical. This issue affects some unknown processing of the component Photo Sharing Plus. The manipulation leads to path traversal. The identification of this vulnerability is CVE-2018-16594. The attack needs to be approached within the local network. There is no exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Sony Bravia TV up to 8.587 (Digital Media Player) and classified as critical. This vulnerability affects some unknown processing of the component Photo Sharing Plus. The manipulation with an unknown input 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, integrity, and availability. CVE summarizes:

The Photo Sharing Plus component on Sony Bravia TV through 8.587 devices allows Directory Traversal.

The bug was discovered 09/13/2018. The weakness was published 06/19/2019. This vulnerability was named CVE-2018-16594 since 09/06/2018. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/06/2023). The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability was handled as a non-public zero-day exploit for at least 279 days. During that time the estimated underground price was around $5k-$25k.

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

Similar entries are available at VDB-136661 and VDB-136659. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Digital Media Player

Vendor

• Sony

Name

• Bravia TV

Version

• 8.587

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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