CVE-2023-1973

Undertow: unrestricted request storage leads to memory exhaustion

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A flaw was found in Undertow package. Using the FormAuthenticationMechanism, a malicious user could trigger a Denial of Service by sending crafted requests, leading the server to an OutofMemory error, exhausting the server's memory.

Se encontró una falla en el paquete Undertow. Mediante el uso de FormAuthenticationMechanism, un usuario malintencionado podría provocar una denegación de servicio mediante el envío de solicitudes manipuladas, lo que provocaría un error de falta de memoria en el servidor y agotaría su memoria.

An update is now available for Red Hat JBoss Enterprise Application Platform 7.4 for Red Hat Enterprise Linux 7. Issues addressed include memory exhaustion and spoofing vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-04-10 CVE Reserved
2024-04-05 CVE Published
2024-11-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (8)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2024:1674	2024-11-07
https://access.redhat.com/errata/RHSA-2024:1675	2024-11-07
https://access.redhat.com/errata/RHSA-2024:1676	2024-11-07
https://access.redhat.com/errata/RHSA-2024:1677	2024-11-07
https://access.redhat.com/errata/RHSA-2024:2763	2024-11-07
https://access.redhat.com/errata/RHSA-2024:2764	2024-11-07
https://access.redhat.com/security/cve/CVE-2023-1973	2024-05-08
https://bugzilla.redhat.com/show_bug.cgi?id=2185662	2024-05-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform"				*		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				*		-		Affected