CVE-2015-0310 (Adobe Flash Player ASLR Bypass)

How ASLR Bypass Weakens Flash Player Security

ASLR is designed to make memory corruption attacks harder by randomising where code and data live in memory. When Flash Player leaks enough address information to defeat that randomisation, an attacker gains a much more predictable exploit path, which can turn an otherwise unreliable bug into a practical compromise.

This matters because browser-embedded runtimes historically sat close to user content, downloaded media and complex parsing logic. In that environment, address disclosure is not a minor implementation flaw, it is often the step that makes code execution chains dependable enough for real-world abuse.

Why Exposure Checks Matter for This CVE

For this kind of vulnerability, exposure is determined less by theory and more by whether the affected software is still present anywhere in the environment. Organisations should inventory endpoints, virtual desktops, legacy kiosks and archived browser images that may still carry Flash components, then confirm whether any of those systems are reachable from high-risk browsing or content-processing paths.

Vendor advisories and the CISA KEV catalogue remain the authoritative places to confirm whether the issue is still being tracked as actively exploited. A record like the NIST National Vulnerability Database helps with vulnerability identification and record correlation, while the CVE Program is the canonical identifier source for the issue itself.

Remediation and Compensating Controls

If a patch or removal cannot be completed immediately, the practical goal is to reduce both exposure and exploitability. That usually means removing or isolating the vulnerable runtime, restricting where untrusted content can execute, and tightening browser, plugin and endpoint controls so the vulnerable code path is unavailable to ordinary users.

For legacy environments, compensating controls should assume the vulnerability may already be part of an exploit chain. The NIST Cybersecurity Framework 2.0 supports that broader containment mindset, and the NIST SP 800-53 Rev 5 Security and Privacy Controls provides control concepts around configuration management, access restriction and system integrity that fit this kind of exposure.

Detection and Post-Exposure Review

Because ASLR bypasses usually exist to make a later payload more reliable, detection should focus on the broader exploit chain, not just the individual CVE. Look for suspicious Flash execution in places where it should no longer appear, signs of browser-based exploitation, unusual child processes, and any post-exploitation behaviour that suggests the initial foothold succeeded.

When a system may have been exploited, review whether credentials, sessions, browser data or other sensitive artefacts were exposed during or after the intrusion. The MITRE ATT&CK Enterprise Matrix is useful for mapping likely follow-on behaviour such as initial access, execution and credential-oriented post-compromise activity, while the Vulnerability Management Guide helps place verification and remediation into a repeatable process.

Risk and Threat Considerations

ASLR bypass vulnerabilities are dangerous because they do not always deliver code execution by themselves, but they can remove one of the main obstacles that keeps an exploit from being practical. In a browser plugin or rich-content runtime, that can materially lower the attacker effort required to complete compromise.

Failure mechanism: address disclosure or memory discovery weakens ASLR, allowing an attacker to predict layout-dependent targets and stabilise an exploit chain that would otherwise fail unpredictably.

Impact: the attacker gains a more reliable route to code execution, persistence or follow-on payload delivery, and the compromised host may then be used for credential theft, lateral movement or broader endpoint abuse.

Practitioner Guidance

Why practitioners should care: even when the specific Flash component is no longer considered standard software, old images, locked-down kiosks and long-lived enterprise builds can preserve exposure far longer than teams expect. Treat any remaining instance as a high-priority exception because the exploitation path is often well suited to chained attacks.

What to watch for: systems that still permit legacy browser plugins, allow untrusted content execution, or have weak visibility into browser-originated process chains deserve special attention. If you cannot prove the runtime is absent, assume the risk remains until inventory and verification say otherwise.

Related resources from NHI Mgmt Group

• CVE-2013-0643 (Adobe Flash Player Incorrect Default Permissions)
• CVE-2014-0502 (Adobe Flash Player Double Free Vulnerablity)
• CVE-2013-0648 (Adobe Flash Player Code Execution)
• CVE-2014-0497 (Adobe Flash Player Integer Underflow Vulnerablity)