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FreeBSD sendfile() privilege escalation
Published: 16.02.2008
Source: BUGTRAQ
SecurityVulns ID: 8691
Type: remote
Level: 5/10
Description: Syscall allows read access to write-only files.

Affected: FREEBSD : FreeBSD 7.0
FREEBSD : FreeBSD 6.1
FREEBSD : FreeBSD 5.5
FREEBSD : FreeBSD 6.2
FREEBSD : FreeBSD 6.3
CVE: CVE-2008-0777 (The sendfile system call in FreeBSD 5.5 through 7.0 does not check the access flags of the file descriptor used for sending a file, which allows local users to read the contents of write-only files.)

Original document FREEEBSD, FreeBSD Security Advisory FreeBSD-SA-08:03.sendfile (16.02.2008)

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