Undertow HTTP Request memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Undertow. It has been rated as problematic. The affected element is an unknown function of the component HTTP Request Handler. This manipulation causes memory leak. The identification of this vulnerability is CVE-2024-3653. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Undertow (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component HTTP Request Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability was found in Undertow. This issue requires enabling the learning-push handler in the server's config, which is disabled by default, leaving the maxAge config in the handler unconfigured. The default is -1, which makes the handler vulnerable. If someone overwrites that config, the server is not subject to the attack. The attacker needs to be able to reach the server with a normal HTTP request.

The advisory is shared at access.redhat.com. This vulnerability is known as CVE-2024-3653 since 04/11/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 207877 (RHEL 6 : undertow (Unpatched Vulnerability)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (207877) and EUVD (EUVD-2024-2322). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (redhat): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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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Nessus ID: 207877
Nessus Name: RHEL 6 : undertow (Unpatched Vulnerability)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2024 🔍
07/09/2024 +89 days 🔍
07/09/2024 +0 days 🔍
06/18/2025 +344 days 🔍

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2024-3653 (🔍)
GCVE (CVE): GCVE-0-2024-3653
GCVE (VulDB): GCVE-100-270529
EUVD: 🔍

Entryinfo

Created: 07/09/2024 05:48
Updated: 06/18/2025 22:22
Changes: 07/09/2024 05:48 (60), 07/10/2024 10:40 (2), 09/28/2024 10:04 (2), 06/18/2025 22:22 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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