CVE-2013-2426 Security feature bypass in n/a

Critical 9.3 Published 17 Apr 2013 Updated 6 Aug 2024

Remote attackers can bypass the Java sandbox via a flaw in ConcurrentHashMap, potentially leading to code execution and privilege escalation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2013-2426?

CVE-2013-2426 is a critical vulnerability in Oracle Jdk, published on 17 Apr 2013. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 6 and 7, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to incorrect invocation of the defaultReadObject method in the ConcurrentHashMap class, which allows remote attackers to bypass the Java sandbox.

Which versions are affected by CVE-2013-2426?

It affects 2 products.

Products include Oracle Jdk, Oracle Jre.

How do I fix CVE-2013-2426?

Upgrade to a fixed version.

Is CVE-2013-2426 being exploited?

There is no known exploitation of CVE-2013-2426 in the wild and no public exploit code.

All Oracle Jdk vulnerabilities

Sources

Also known as GHSA-2hfv-vqxq-gp7v.