CVE-2016-5549 Information disclosure in Java SE

Medium 6.5 Published 27 Jan 2017 Updated 9 Oct 2024

Unauthenticated attackers can access critical data in Java SE via network protocols, requiring user interaction in client-side sandboxed environments.

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-2016-5549?

CVE-2016-5549 is a medium-severity vulnerability in Oracle Jdk, published on 27 Jan 2017. 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

Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: Libraries). Supported versions that are affected are Java SE: 7u121 and 8u112; Java SE Embedded: 8u111. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Java SE, Java SE Embedded accessible data. 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 does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS v3.0 Base Score 6.5 (Confidentiality impacts).

Which versions are affected by CVE-2016-5549?

It affects 2 products.

Products include Oracle Jdk, Oracle Jre.

How do I fix CVE-2016-5549?

Upgrade to a fixed version.

Is CVE-2016-5549 being exploited?

There is no known exploitation of CVE-2016-5549 in the wild and no public exploit code.

All Oracle Jdk vulnerabilities

Sources

Also known as GHSA-4p8w-9rpg-4mhm, MINI-3xgf-j2vp-m99r, UBUNTU-CVE-2016-5549.