CVE-2024-24793: libdicom Use-After-Free — Exploit

Description

A use-after-free vulnerability exists in the DICOM Element Parsing as implemented in Imaging Data Commons libdicom 1.0.5. A specially crafted DICOM file can cause premature freeing of memory that is used later. To trigger this vulnerability, an attacker would need to induce the vulnerable application to process a malicious DICOM image.The Use-After-Free happens in the `parse_meta_element_create()` parsing the elements in the File Meta Information header.

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
nih	libdicom	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2024-1931 https://talosintelligence.com/vulnerability_reports/TALOS-2024-1931

Other References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1931

Frequently Asked Questions

What is CVE-2024-24793? +

A use-after-free vulnerability exists in the DICOM Element Parsing as implemented in Imaging Data Commons libdicom 1.0.5. A specially crafted DICOM file can cause premature freeing of memory that is used later. To trigger this vulnerability, an attacker would need to induce the vulnerable application to process a malicious DICOM image.The Use-After-Free happens in the `parse_meta_element_create()` parsing the elements in the File Meta Information header. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-24793? +

CVE-2024-24793 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-24793? +

CVE-2024-24793 affects products from nih, specifically: libdicom. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-24793? +

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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