CVE-2023-1973: high-severity vulnerability in Red Hat JBoss Enterprise Application Platform 7
Undertow: unrestricted request storage leads to memory exhaustion
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Red Hat · Red Hat JBoss Enterprise Application Platform 7Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Red Hat · Red Hat JBoss Enterprise Application Platform 8Red Hat · Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Red Hat · Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Related CVEs — Red Hat JBoss Enterprise Application Platform 7
In the same product, most dangerous first.
CVE-2024-1635HIGHUndertow: out-of-memory error after several closed connections with wildfly-http-client protocolEPSS 4.6%CVE-2023-5685HIGHXnio: stackoverflowexception when the chain of notifier states becomes problematically bigEPSS 3.5%CVE-2024-5971HIGHUndertow: response write hangs in case of java 17 tlsv1.3 newsessionticketEPSS 2.9%CVE-2026-93567HIGHIo.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authorityEPSS 2.9%CVE-2026-76166MEDIUMModcluster-core: mod_cluster advertise listener: unauthenticated dos via crafted multicast datagramEPSS 2.7%CVE-2023-3223HIGHUndertow: outofmemoryerror due to @multipartconfig handlingEPSS 2.7%
References
https://access.redhat.com/errata/RHSA-2024:1674https://access.redhat.com/errata/RHSA-2024:1675https://access.redhat.com/errata/RHSA-2024:1676https://access.redhat.com/errata/RHSA-2024:1677https://access.redhat.com/errata/RHSA-2024:2763https://access.redhat.com/errata/RHSA-2024:2764https://access.redhat.com/security/cve/CVE-2023-1973https://bugzilla.redhat.com/show_bug.cgi?id=2185662