CVE-2024-5463: synology bc500_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2024-5463 is a medium (CVSS 6.5) Classic Buffer Overflow vulnerability in synology bc500_firmware. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.5% of scored vulnerabilities.

Timeline

1. 04-06-2024
   PublishedVulnerability first disclosed.
2. 01-08-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability regarding buffer copy without checking the size of input ('Classic Buffer Overflow') has been found in the login component. This allows remote attackers to write specific files containing non-sensitive information and conduct limited denial-of-service attacks via unspecified vectors. This attack only affects the login service which will automatically restart. The following models with Synology Camera Firmware versions before 1.1.1-0383 may be affected: BC500 and TC500.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.