CVE-2024-27929: imagesharp Use-After-Free

Description

ImageSharp is a managed, cross-platform, 2D graphics library. A heap-use-after-free flaw was found in ImageSharp's InitializeImage() function of PngDecoderCore.cs file. This vulnerability is triggered when an attacker passes a specially crafted PNG image file to ImageSharp for conversion, potentially leading to information disclosure. This issue has been patched in versions 3.1.3 and 2.1.7.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
sixlabors	imagesharp	< 2.1.7
sixlabors	imagesharp	3.1.0 — 3.1.3

References

Advisories & Patches

https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-65x7-c272-7g7r https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-65x7-c272-7g7r

Exploits

https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-65x7-c272-7g7r https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-65x7-c272-7g7r

Frequently Asked Questions

What is CVE-2024-27929? +

ImageSharp is a managed, cross-platform, 2D graphics library. A heap-use-after-free flaw was found in ImageSharp's InitializeImage() function of PngDecoderCore.cs file. This vulnerability is triggered when an attacker passes a specially crafted PNG image file to ImageSharp for conversion, potentially leading to information disclosure. This issue has been patched in versions 3.1.3 and 2.1.7. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-27929? +

CVE-2024-27929 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-27929? +

CVE-2024-27929 affects products from sixlabors, specifically: imagesharp. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27929? +

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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