CVE-1999-1394
BSD 4.4 - Authenticated Immutable Flag Bypass via Filesystem Editor
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-1999-1394. PoCs published by Stealth.
AI-analyzed exploit summary This is a writeup describing a vulnerability in 4.4BSD derivatives where secure level 1 can be bypassed by writing directly to unmounted devices to clear file flags, allowing modification of immutable files. It outlines a hypothetical exploit scenario but does not include actual exploit code.
Description
BSD 4.4 based operating systems, when running at security level 1, allow the root user to clear the immutable and append-only flags for files by unmounting the file system and using a file system editor such as fsdb to directly modify the file through a device.
Exploits (1)
This is a writeup describing a vulnerability in 4.4BSD derivatives where secure level 1 can be bypassed by writing directly to unmounted devices to clear file flags, allowing modification of immutable files. It outlines a hypothetical exploit scenario but does not include actual exploit code.