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CVE-2024-31309

HIGH
Published 2024-04-10T12:07:16.975Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.028
probability
of exploitation in the wild

There is a 2.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.855
Higher than 85.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Apache Software Foundation

Apache Traffic Server

Affected Versions:

8.0.0 9.0.0
apache

traffic_server

Affected Versions:

8.0.0 9.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-7hpg-wrjj-gghq

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-31309
WEB https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc
WEB https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/QV77HYM7ARSTL3B6U3IFG7PHDU65WL4I
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/T3XON6RM5ZKCZ6K6NB7BOTAWMJQKXJDO
WEB http://www.openwall.com/lists/oss-security/2024/04/03/16
WEB http://www.openwall.com/lists/oss-security/2024/04/10/7

Advisory provided by GitHub Security Advisory Database. Published: April 10, 2024, Modified: February 13, 2025

References

https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc
https://lists.fedoraproject.org/archives/list/[email protected]/message/QV77HYM7ARSTL3B6U3IFG7PHDU65WL4I/
https://lists.fedoraproject.org/archives/list/[email protected]/message/T3XON6RM5ZKCZ6K6NB7BOTAWMJQKXJDO/
https://lists.fedoraproject.org/archives/list/[email protected]/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV/
https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html
http://www.openwall.com/lists/oss-security/2024/04/03/16
http://www.openwall.com/lists/oss-security/2024/04/10/7
Published: 2024-04-10T12:07:16.975Z
Last Modified: 2025-02-13T17:47:53.194Z
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