CVE-2024-24990: nginx plus Use-After-Free — Fix

Description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

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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-416 Use After Free

Affected Products

Vendor	Product	Versions
f5	nginx_open_source	1.25.0 — 1.25.4
f5	nginx_plus	All
f5	nginx_plus	All
f5	nginx_plus	All

References

Advisories & Patches

https://my.f5.com/manage/s/article/K000138445 https://my.f5.com/manage/s/article/K000138445

Other References

http://www.openwall.com/lists/oss-security/2024/05/30/4 http://www.openwall.com/lists/oss-security/2024/05/30/4

Frequently Asked Questions

What is CVE-2024-24990? +

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-24990? +

CVE-2024-24990 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-2024-24990? +

CVE-2024-24990 affects products from f5, specifically: nginx_open_source, nginx_plus. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-24990? +

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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