External risk intelligence

Adobe Flash Player Code Execution Vulnerability

CVE advisoryKnown Exploit

CVE-2015-0311

A vulnerability in Adobe Flash Player could allow attackers to execute arbitrary code on affected systems. This could lead to system compromise and impact data confidentiality and integrity, posing a significant business risk.

4Halo Surface Signal

Adobe Flash Player

11.2.202.438 and earlier13.0.0.262 and earlier14.0.0.125 to before 16.0.0.287111210

External exposure likelihood

Halo Surface Signal score for CVE-2015-0311

This vulnerability affects Adobe Flash Player, a client-side browser plugin that was historically used to render dynamic web content. Because it is a component of web browsers, it is directly exposed to and reachable by the public internet during normal web browsing activities.

Horizon Alert

Summary of the vulnerability and why it matters

Adobe Flash Player contained a vulnerability that could allow attackers to execute arbitrary code. This could lead to systems being compromised, potentially affecting data integrity and confidentiality. The exploitation of this flaw poses a significant business risk due to the potential for unauthorized code execution.

  • Adobe Flash Player
  • Unspecified code execution flaw
  • System compromise and data risk

Attack Path

How an attacker could exploit the issue

This vulnerability affects Adobe Flash Player, which could allow attackers to execute arbitrary code on affected systems. Attackers could exploit this by sending specially crafted content to trigger the vulnerability. Organizations using vulnerable versions of Flash Player are at risk of system compromise.

  • Exposure condition: Unspecified vulnerability in Adobe Flash Player.
  • Attacker starting point: Remote, unspecified vectors.
  • Trigger and result: Malicious content execution leading to arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability presents a significant risk due to its potential for widespread exploitation. Attackers can remotely execute arbitrary code, leading to system compromise. This could result in data theft, disruption of services, and unauthorized access to sensitive information, impacting both operational continuity and organizational reputation.

  • Attacker skill level: Low
  • Access conditions: Network accessible
  • Business risk or urgency: High impact

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability allows remote attackers to execute arbitrary code via unknown vectors in Adobe Flash Player. Exploitation in the wild was observed in January 2015. The risk to the organization includes potential compromise of systems and data, impacting business operations and security posture.

  • Find affected Adobe Flash Player assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What was Adobe Flash Player and how was it used in web applications?

Adobe Flash Player was a widely used browser plugin designed to deliver rich multimedia content, applications, and experiences on the web. It enabled the playback of videos, animations, and interactive games, making websites more dynamic. However, it also presented security vulnerabilities.

What type of vulnerability is CVE-2015-0311 and what is its impact?

CVE-2015-0311 is an unspecified vulnerability in Adobe Flash Player that allows remote attackers to execute arbitrary code. This type of vulnerability is critical because it can lead to a complete system compromise, potentially affecting data confidentiality, integrity, and availability.

How could an attacker exploit CVE-2015-0311 and what is the scope of the vulnerability?

Attackers could exploit this vulnerability by sending specially crafted content through unspecified vectors, which, when processed by a vulnerable Flash Player, would allow for arbitrary code execution. The scope is typically limited to the user's browser environment, but successful exploitation can lead to broader system compromise.

What is the relevance of CVE-2015-0311 given its history and the Halo Surface Signal score?

CVE-2015-0311 is relevant because it was exploited in the wild in January 2015. The Halo Surface Signal score of 4 (Likely) indicates a significant risk due to Flash Player being a client-side browser plugin, making it directly reachable by the public internet during normal web browsing.

What practical steps should be taken in response to CVE-2015-0311?

Given that Adobe Flash Player is end-of-life, the primary response is to ensure it is uninstalled and no longer in use. If its use cannot be immediately discontinued, then affected assets should be identified, isolated, and a plan for removal or mitigation must be implemented and verified.

References