CVE-2009-1094 Deserialization in n/a

Critical 10.0 Published 25 Mar 2009 Updated 7 Aug 2024

Remote attackers can execute arbitrary code on Java applications by sending malicious serialized data via LDAP responses.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2009-1094?

CVE-2009-1094 is a critical unsafe deserialization vulnerability in Sun Jdk, published on 25 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in the LDAP implementation in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update 12 and earlier; SDK and JRE 1.3.1_24 and earlier; and 1.4.2_19 and earlier allows remote LDAP servers to execute arbitrary code via unknown vectors related to serialized data.

Which versions are affected by CVE-2009-1094?

It affects 3 products.

Products include Sun Jdk, Sun Jre, Sun Sdk.

How do I fix CVE-2009-1094?

Upgrade to a fixed version.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2009-1094 being exploited?

There is no known exploitation of CVE-2009-1094 in the wild and no public exploit code.

All Sun Jdk vulnerabilities

Sources

Also known as GHSA-5w5h-m7x5-fq48.