Horizon Alert
Summary of the vulnerability and why it matters
An elevation of privilege vulnerability exists within Internet Explorer. This flaw could allow an attacker to bypass security restrictions, enabling the transfer of sensitive information between different domains. Such an exploit could lead to unauthorized access and manipulation of data within affected systems.
- Internet Explorer cross-domain policies
- Information access and injection
- Data compromise and unauthorized access
Attack Path
How an attacker could exploit the issue
An elevation of privilege vulnerability exists when Internet Explorer incorrectly handles cross-domain policies. This could allow an attacker to access and inject information between different domains. The attacker exploits a flaw in how the browser enforces security boundaries between websites. This can lead to unauthorized access and modification of data.
- Publicly accessible Internet Explorer browser.
- Malicious website with specially crafted content.
- User visits the website, leading to data access and injection.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow an attacker to elevate privileges by exploiting how Internet Explorer handles cross-domain policies. Successful exploitation could lead to the attacker accessing information from one domain and injecting it into another. The potential for significant data compromise and unauthorized actions presents a considerable business risk.
- Attacker skill level: High
- Required access: Network and user interaction
- Business risk or urgency: High
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
An elevation of privilege vulnerability in Internet Explorer could allow an attacker to access information across domains. This could lead to unauthorized data access and manipulation. The exploitation vector involves the browser's handling of cross-domain policies.
- Identify affected Internet Explorer assets.
- Limit browser access or isolate networks.
- Apply vendor security updates and verify.
