Apache Traffic Server up to 8.1.8/9.2.2 HTTP/2 Frame denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Traffic Server up to 8.1.8/9.2.2 and classified as problematic. Affected by this issue is some unknown functionality of the component HTTP2 Frame Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2023-39456. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Traffic Server up to 8.1.8/9.2.2. It has been declared as problematic. This vulnerability affects an unknown code of the component HTTP2 Frame Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

The weakness was released 10/17/2023. The advisory is available at lists.apache.org. This vulnerability was named CVE-2023-39456 since 08/02/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 8.1.9 or 9.2.3 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Traffic Server 8.1.9/9.2.3

Timelineinfo

08/02/2023 🔍
10/17/2023 +76 days 🔍
10/17/2023 +0 days 🔍
06/12/2025 +604 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: FEDORA-2023-54fadada12
Status: Confirmed

CVE: CVE-2023-39456 (🔍)
GCVE (CVE): GCVE-0-2023-39456
GCVE (VulDB): GCVE-100-242386

Entryinfo

Created: 10/17/2023 09:30
Updated: 06/12/2025 19:09
Changes: 10/17/2023 09:30 (40), 11/03/2023 17:57 (1), 11/03/2023 18:05 (11), 06/12/2025 19:09 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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