CVE-2013-0422: Oracle JRE Remote Code Execution Vulnerability

CVE-2013-0422 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-05-25

Multiple vulnerabilities in Oracle Java 7 allow remote attackers to execute arbitrary code. The flaws involve the JmxMBeanServer class's getMBeanInstantiator method and a recursive Reflection API issue that bypasses Security Manager checks due to improper frame skipping in sun.reflect.Reflection.getCallerClass.

Technologies: Oracle Java Runtime Environment (JRE). Vendors: Oracle.

Quick answers

Is CVE-2013-0422 exploited in the wild?
Yes. CVE-2013-0422 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.
How severe is CVE-2013-0422?
Critical severity, with a CVSS score of 9.8, published 25 May 2022.
Which products and versions are affected?
Oracle Java 7 before Update 11.
Is there a fix for CVE-2013-0422?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2013-0422 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2013-0422?
Check whether you run Oracle Java Runtime Environment (JRE). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Oracle Java 7 before Update 11

Timeline

  • 2013-01-10: exploited: Exploited in the wild as a zero-day, including in Blackhole and Nuclear Pack exploit kits.
  • 2013-01-14: advisory: Oracle released a security alert for CVE-2013-0422.
  • 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.