CVE-2020-35510
jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A flaw was found in jboss-remoting in versions before 5.0.20.SP1-redhat-00001. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code, deleting the lines that send the ACK message from the EJB client code resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Se ha encontrado un fallo en jboss-remoting en versiones anteriores a 5.0.20.SP1-redhat-00001. Un atacante malicioso podría causar que los hilos (subprocesos) se quedaran detenidos para siempre en el servidor EJB al escribir una secuencia de bytes correspondientes a los mensajes esperados de una petición de cliente EJB con éxito, pero omitiendo los mensajes ACK, o simplemente manipulando el código de jboss-remoting, borrando las líneas que envían el mensaje ACK del código del cliente EJB, resultando en una Denegación de Servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema
A flaw was found in jboss-remoting. A malicious attacker could cause threads to hold up forever in the EJB server by writing a sequence of bytes corresponding to the expected messages of a successful EJB client request, but omitting the ACK messages, or just tamper with jboss-remoting code, deleting the lines that send the ACK message from the EJB client code resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.3.6 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.3.5, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.3.6 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass and information leakage vulnerabilities.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-12-17 CVE Reserved
- 2021-03-16 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (2)
URL | Tag | Source |
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URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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https://bugzilla.redhat.com/show_bug.cgi?id=1905796 | 2021-08-06 | |
https://access.redhat.com/security/cve/CVE-2020-35510 | 2021-12-14 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Redhat Search vendor "Redhat" | Jboss-remoting Search vendor "Redhat" for product "Jboss-remoting" | < 5.0.20 Search vendor "Redhat" for product "Jboss-remoting" and version " < 5.0.20" | - |
Affected
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Redhat Search vendor "Redhat" | Jboss-remoting Search vendor "Redhat" for product "Jboss-remoting" | 5.0.20 Search vendor "Redhat" for product "Jboss-remoting" and version "5.0.20" | - |
Affected
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