CVE-2023-47803: synology bc500_firmware Path Traversal

Vulnerability summary

CVE-2023-47803 is a medium (CVSS 5.3) Path Traversal vulnerability in synology bc500_firmware. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities.

Timeline

1. 28-06-2024
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability regarding improper limitation of a pathname to a restricted directory ('Path Traversal') is found in the Language Settings functionality. This allows remote attackers to read specific files containing non-sensitive information via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')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.