CVE-2022-21443: Integer Underflow
Eclipse Jetty is vulnerable to a denial of service, caused by an error related to some of the production servers spiking with CPU use. A remote attacker could exploit this vulnerability to consume CPU that remains high even without any traffic.
Other sources
It was discovered that the ObjectIdentifier class in the Libraries component of OpenJDK did not properly validate the encoded length of the object identifier. This could lead to an integer underflow and possibly cause a Java application to throw an out of memory (OOM) exception because of excessive memory allocation.
— Red Hat
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 7u331, 8u321, 11.0.14, 17.0.2, 18; Oracle GraalVM Enterprise Edition: 20.3.5, 21.3.1 and 22.0.0.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle 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 Oracle Java SE, Oracle GraalVM Enterprise Edition. 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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.
- RHSA-2022:1439
- RHSA-2022:1436
- RHSA-2022:1437
- RHSA-2022:1438
- RHSA-2022:1492
- RHSA-2022:1440
- RHSA-2022:1487
- RHSA-2022:4957
- RHSA-2022:4959
- RHSA-2022:1442
- RHSA-2022:1445
- RHSA-2022:1491
- RHSA-2022:5837
- RHSA-2022:1444
- RHSA-2022:1488
- RHSA-2022:1443
- RHSA-2022:1489
- RHSA-2022:1441
- RHSA-2022:1490
- RHSA-2022:1728
- RHSA-2022:1729
- RHSA-2022:2137
- RHSA-2022:1435
- IBM-6983274
Frequently Asked Questions
What is the severity of CVE-2022-21443?
CVE-2022-21443 has a low severity rating due to its impact mainly resulting in denial of service.
How do I fix CVE-2022-21443?
To fix CVE-2022-21443, update to the specified patched versions of OpenJDK or the affected Java software mentioned in the remediation.
Who is affected by CVE-2022-21443?
CVE-2022-21443 affects users of certain versions of OpenJDK, IBM Java, and other Java-based products.
What types of attacks are possible with CVE-2022-21443?
CVE-2022-21443 allows an unauthenticated attacker to potentially cause a denial of service via unspecified attack vectors.
When was CVE-2022-21443 discovered?
CVE-2022-21443 was discovered and publicly disclosed in 2022.