CVE-2024-39349: bc500 Buffer Overflow — Fix

Description

A vulnerability regarding buffer copy without checking size of input ('Classic Buffer Overflow') is found in the libjansson component and it does not affect the upstream library. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
synology	bc500_firmware	< 1.0.7-0298
synology	bc500	All
synology	tc500_firmware	< 1.0.7-0298
synology	tc500	All

References

Advisories & Patches

https://www.synology.com/en-global/security/advisory/Synology_SA_23_15 https://www.synology.com/en-global/security/advisory/Synology_SA_23_15

Frequently Asked Questions

What is CVE-2024-39349? +

A vulnerability regarding buffer copy without checking size of input ('Classic Buffer Overflow') is found in the libjansson component and it does not affect the upstream library. This allows remote attackers to execute arbitrary code via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-39349? +

CVE-2024-39349 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-39349? +

CVE-2024-39349 affects products from synology, specifically: bc500, bc500_firmware, tc500, tc500_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-39349? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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