CVE-2024-31309: fedora Input Validation Flaw — Fix

Description

HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server. Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are affected. Users can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases. Users are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.

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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-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
apache	traffic_server	8.0.0 — 8.1.10
apache	traffic_server	9.0.0 — 9.2.4
debian	debian_linux	All
fedoraproject	fedora	All
fedoraproject	fedora	All
fedoraproject	fedora	All

References

Advisories & Patches

https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc

Other References

http://www.openwall.com/lists/oss-security/2024/04/03/16 http://www.openwall.com/lists/oss-security/2024/04/10/7 https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html https://lists.fedoraproject.org/archives/list/[email protected]/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV/ https://lists.fedoraproject.org/archives/list/[email protected]/message/QV77HYM7ARSTL3B6U3IFG7PHDU65WL4I/ https://lists.fedoraproject.org/archives/list/[email protected]/message/T3XON6RM5ZKCZ6K6NB7BOTAWMJQKXJDO/ http://www.openwall.com/lists/oss-security/2024/04/03/16 http://www.openwall.com/lists/oss-security/2024/04/10/7 https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html https://lists.fedoraproject.org/archives/list/[email protected]/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV/

Frequently Asked Questions

What is CVE-2024-31309? +

HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server. Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are affected. Users can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases. Users are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-31309? +

CVE-2024-31309 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-2024-31309? +

CVE-2024-31309 affects products from apache, debian, fedoraproject, specifically: debian_linux, fedora, traffic_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-31309? +

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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