Undertow FormAuth DoS via Memory Exhaustion
CVE-2023-1973 Published on November 7, 2024
Undertow: unrestricted request storage leads to memory exhaustion
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.
Vulnerability Analysis
CVE-2023-1973 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public. 409 days later.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2023-1973
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Affected Versions
Red Hat JBoss Enterprise Application Platform 7: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8:- Version 0:2.2.30-1.SP1_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:2.2.30-1.SP1_redhat_00001.1.el9eap and below * is unaffected.
- Version 0:2.2.30-1.SP1_redhat_00001.1.el7eap and below * is unaffected.
- Version 0:2.3.11-1.SP1_redhat_00001.1.el8eap and below * is unaffected.
- Version 0:2.3.11-1.SP1_redhat_00001.1.el9eap and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.