PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU...
Vulnerability Description
PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software-transparent compression that enables cross-origin pixel-stealing attacks against feTurbulence and feBlend in the SVG Filter specification, aka a GPU.zip issue. For example, attackers can sometimes accurately determine text contained on a web page from one origin if they control a resource from a different origin.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.hertzbleed.com/gpu.zip/
- https://www.hertzbleed.com/gpu.zip/GPU-zip.pdf
- https://github.com/UT-Security/gpu-zip
- https://www.w3.org/TR/filter-effects-1/
- https://blog.imaginationtech.com/reducing-bandwidth-pvric/
- https://blog.imaginationtech.com/introducing-pvric4-taking-image-compression-to-the-next-level/
- https://arstechnica.com/security/2023/09/gpus-from-all-major-suppliers-are-vulnerable-to-new-pixel-stealing-attack/
- https://news.ycombinator.com/item?id=37663159
- https://www.bleepingcomputer.com/news/security/modern-gpus-vulnerable-to-new-gpuzip-side-channel-attack/
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Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.