CVE-2024-21909: cbor — Fix

Description

PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a denial of service vulnerability. An attacker may trigger the denial of service condition by providing crafted data to the DecodeFromBytes or other decoding mechanisms in PeterO.Cbor. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-407 CWE-407

Affected Products

Vendor	Product	Versions
peteroupc	cbor	4.0.0 — 4.5.1

References

Advisories & Patches

https://github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95 https://github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95

Other References

https://github.com/advisories/GHSA-6r92-cgxc-r5fg https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1 https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg https://github.com/advisories/GHSA-6r92-cgxc-r5fg https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1 https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg

Frequently Asked Questions

What is CVE-2024-21909? +

PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a denial of service vulnerability. An attacker may trigger the denial of service condition by providing crafted data to the DecodeFromBytes or other decoding mechanisms in PeterO.Cbor. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-21909? +

CVE-2024-21909 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21909? +

CVE-2024-21909 affects products from peteroupc, specifically: cbor. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21909? +

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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