CVE-2021-35565: Medium severity ibm security qradar vulnerability
An inifinte loop flaw was found in the HttpsServer class implementation in the JSSE component of OpenJDK. A remote attacker could possibly use this flaw to cause a Java application implementing HTTPS server functionality to loop during the TLS session closing and consume an excessive amount of CPU time.
Other sources
An unspecified vulnerability in Java SE related to the JSSE component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
— IBM
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2021-35565?
The severity of CVE-2021-35565 is high.
Which versions of Java SE are affected by CVE-2021-35565?
Java SE versions 7u311, 8u301, and 11.0.12 are affected by CVE-2021-35565.
How can an attacker exploit CVE-2021-35565?
CVE-2021-35565 can be exploited by an unauthenticated attacker.
What is the remedy for CVE-2021-35565 in Red Hat Java packages?
The remedy for CVE-2021-35565 in Red Hat Java packages is to update to the specified versions: 1.8.0-openjdk-1:1.8.0.312.b07-1.el7_9 for Java 8, and 11-openjdk-1:11.0.13.0.8-1.el7_9 for Java 11.
How can I patch IBM QRadar SIEM to fix CVE-2021-35565?
To patch IBM QRadar SIEM for CVE-2021-35565, download the appropriate fix for your version from the provided URL.