CVE-2012-0497 in JRE
Summary
by MITRE
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, and 6 Update 30 and earlier, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to 2D.
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Analysis
by VulDB Data Team • 10/08/2026
The vulnerability identified as CVE-2012-0497 represents a critical security flaw within the Java Runtime Environment component of Oracle Java SE versions 7 Update 2 and earlier, as well as Java SE 6 Update 30 and earlier. This weakness specifically impacts the 2D graphics rendering functionality within the Java environment, creating potential attack vectors that could compromise system security. The vulnerability's classification as unspecified indicates that Oracle did not provide detailed technical information about the exact nature of the flaw during the initial disclosure, making it particularly concerning for security professionals who must assess and mitigate risks without complete information. The affected 2D graphics subsystem within the JRE component operates at a foundational level of the Java platform, making it a prime target for exploitation attempts that could affect the broader system integrity.
The technical exploitation of this vulnerability occurs through remote attack vectors that leverage weaknesses in the 2D graphics processing capabilities of the affected Java versions. Attackers can potentially manipulate the graphics rendering engine to execute arbitrary code or cause system instability, affecting the fundamental security properties of confidentiality, integrity, and availability. The 2D graphics subsystem in Java SE interacts with various system resources and memory management functions, creating multiple potential entry points for malicious actors. This type of vulnerability typically falls under the CWE-119 category of "Improper Restriction of Operations within the Bounds of a Memory Buffer" and may also relate to CWE-787 "Out-of-bounds Write" when considering memory corruption aspects. The exploitation mechanism likely involves manipulating graphics rendering parameters or data structures that are processed by the 2D graphics engine, potentially leading to memory corruption or privilege escalation.
The operational impact of CVE-2012-0497 extends beyond simple system compromise, as it affects organizations that rely heavily on Java-based applications and web content delivery. Systems running affected Java versions may experience unauthorized access to sensitive data, modification of critical system files, or complete system disruption through availability attacks. The vulnerability's remote nature means that attackers do not require physical access to target systems, making it particularly dangerous for web-facing applications and enterprise environments where Java applets or web applications are commonly used. Organizations utilizing legacy Java environments face significant risk exposure, as the vulnerability affects multiple versions across different Java SE releases, potentially requiring extensive patch management efforts across various system components. This type of vulnerability aligns with ATT&CK technique T1059.007 "Command and Scripting Interpreter: PowerShell" when considering lateral movement and persistence mechanisms that attackers might employ after initial compromise.
Mitigation strategies for CVE-2012-0497 primarily focus on immediate patching and version updates to eliminate the vulnerability from affected systems. Organizations should prioritize updating to Oracle Java SE 7 Update 3 and later versions, or Java SE 6 Update 31 and later, which contain the necessary security fixes. Additionally, implementing network segmentation and access controls can limit potential attack surface exposure, while disabling Java applets in web browsers provides an additional layer of protection. Security monitoring should focus on detecting anomalous graphics processing activities or unusual memory consumption patterns that might indicate exploitation attempts. The vulnerability underscores the importance of maintaining up-to-date software environments and implementing comprehensive patch management procedures, as outdated Java installations remain a significant security risk. Regular security assessments and vulnerability scanning should specifically target Java runtime environments to identify and remediate similar issues before they can be exploited by malicious actors.