FILE-IMAGE -- Snort detected suspicious traffic targeting vulnerabilities found inside images files, regardless of delivery method, targeted software, or image type. (Examples include: jpg, png, gif, bmp). These rules search for malformed images used to exploit system. Attackers alter image attributes, often to include shell code, so they are susceptible to vulnerabilities when they are parsed and send commands instead of loading the image.
FILE-IMAGE Multiple products TIFF tile size buffer overflow attempt
Vulnerabilities in multiple products' TIFF image parsers allow for potential remote code execution via a crafted .tiff or .tif file.
Potential user access to a victim's machine.
Rule checks for an attempt to exploit a buffer overflow vulnerability via a crafted .tiff or .tif file.
Ease of Attack:
What To Look For
No public information
No known false positives
Talos research team.
MITRE ATT&CK Framework
For reference, see the MITRE ATT&CK vulnerability types here:
CVE Additional Information
CVE-2016-4631ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted TIFF file.
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