Rule Category

FILE-JAVA -- Snort has detected traffic targeting vulnerabilities that are exploited in java files such as .class or .jar.

Alert Message

FILE-JAVA Oracle Java AtomicReferenceFieldUpdater remote code execution attempt

Rule Explanation

This rule looks for an attempt to exploit a missing primitive type check in Java's AtomicReferenceFieldUpdater. This could allow an untrusted Java application or applet to cause memory corruption and or bypass the Java sandbox. Affected versions are listed as 5.0u65, 6u75, 7u60, and 8u5.

What To Look For

This event is generated when an attempt to exploit a missing type check in CVE-2014-4262 against Oracle Java.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

MITRE ATT&CK Framework

Tactic: Execution

Technique: Exploitation for Client Execution

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Additional Links

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

CVE-2014-4262
Unspecified vulnerability in Oracle Java SE 5.0u65, 6u75, 7u60, and 8u5 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries.
Details
SeverityHIGH Base Score9.3
Impact Score10.0 Exploit Score8.6
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access