CVE-2024-28871: libhtp DoS — Fix

Description

LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.

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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-770 CWE-770

Affected Products

Vendor	Product	Versions
oisf	libhtp	All

References

Advisories & Patches

https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg

Other References

https://redmine.openinfosecfoundation.org/issues/6757 https://redmine.openinfosecfoundation.org/issues/6757

Frequently Asked Questions

What is CVE-2024-28871? +

LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-28871? +

CVE-2024-28871 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-2024-28871? +

CVE-2024-28871 affects products from oisf, specifically: libhtp. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-28871? +

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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