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Ubuntu OverlayFS Local Privilege Escalation

Ubuntu OverlayFS Local Privilege Escalation
Posted May 31, 2021
Authored by Chris Wild, Sudhanshu Kumar, Rohit Verma

The document in this archive illustrates using the included proof of concept exploit to achieve root on Ubuntu systems using a flaw in the OverlayFS file system. The exploit itself does not have author attribution as the proof of concept came through SSD Disclosures.

tags | exploit, paper, root, proof of concept
systems | linux, ubuntu
advisories | CVE-2021-3493
SHA-256 | 7380c1055909d23c493abb4f5067d3428e536c6a0041025856be420b9c8732fb
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