CVE-2021-2369: Medium severity ibm data risk manager vulnerability
A flaw was found in the way the Library component of OpenJDK handled JAR files containing multiple MANIFEST.MF files. Such JAR files could cause signature verification process to return an incorrect result, possibly allowing tampering with signed JAR files. After the fix, all JAR files with multiple MANIFEST.MF files are treated as unsigned.
Other sources
An unspecified vulnerability in Java SE related to the Library component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
— IBM
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Library). Supported versions that are affected are Java SE: 7u301, 8u291, 11.0.11, 16.0.1; Oracle GraalVM Enterprise Edition: 20.3.2 and 21.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).
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Frequently Asked Questions
What is CVE-2021-2369?
CVE-2021-2369 is an unspecified vulnerability in Java SE related to the Library component.
Which versions of Java SE are affected by CVE-2021-2369?
Java SE versions 7u301, 8u291, 11.0.11, and 16.0.1 are affected by CVE-2021-2369.
Which versions of Oracle GraalVM Enterprise Edition are affected by CVE-2021-2369?
Oracle GraalVM Enterprise Edition versions 20.3.2 and 21.1.0 are affected by CVE-2021-2369.
What is the severity of CVE-2021-2369?
CVE-2021-2369 has a severity value of 4.3, indicating a medium severity.
How do I fix CVE-2021-2369?
To fix CVE-2021-2369, apply the recommended patches or updates provided by Oracle and Debian.