CVE-2008-5351 Security feature bypass in n/a

High 7.5 Published 5 Dec 2008 Updated 7 Aug 2024

Attackers can bypass security mechanisms in applications relying on shortest-form UTF-8 validation by exploiting non-canonical encoding acceptance in the Java Runtime Environment.

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

What is CVE-2008-5351?

CVE-2008-5351 is a high-severity vulnerability in Sun Jdk, published on 5 Dec 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Java Runtime Environment (JRE) for Sun JDK and JRE 6 Update 10 and earlier; JDK and JRE 5.0 Update 16 and earlier; and SDK and JRE 1.4.2_18 and earlier accepts UTF-8 encodings that are not the "shortest" form, which makes it easier for attackers to bypass protection mechanisms for other applications that rely on shortest-form UTF-8 encodings.

Weakness: CWE-264

Which versions are affected by CVE-2008-5351?

It affects 3 products.

Products include Sun Jdk, Sun Jre, Sun Sdk.

How do I fix CVE-2008-5351?

Upgrade to a fixed version.

Is CVE-2008-5351 being exploited?

There is no known exploitation of CVE-2008-5351 in the wild and no public exploit code.

All Sun Jdk vulnerabilities

Sources

Also known as GHSA-79wc-h5f5-pq4h.