High
Remote code execution triggered by malformed GIF in ImageIO framework, affecting most iOS/macOS apps
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High
(1 user assessed)
Moderate
(1 user assessed)Unknown
Unknown
Unknown
Remote code execution triggered by malformed GIF in ImageIO framework, affecting most iOS/macOS apps
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the “ImageIO” component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted image file.
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Ratings
-
Attacker ValueHigh
-
ExploitabilityMedium
Technical Analysis
Noticed this while looking into recent iTerm vulnerabilities and thinking about how to exploit iTerm’s builtin image rendering and file download capabilities. This seems to have the ability to cause havoc especially on machines that cannot upgrade to newer OSes due to hardware obsoleting by Apple. Curious if there might be other things to look at in NSImage as well.
Marking utility a little lower just because this is a couple-year old vuln.
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Technical Analysis
Report as Emergent Threat Response
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CVE ID
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