Computer Security
[EN] no-pyccku

FreeBSD NFS privilege escalation
SecurityVulns ID:13224
Threat Level:
Description:It's possible to access files with credentials of any user if anonymous NFS acccess is allowed.
Affected:FREEBSD : FreeBSD 8.3
 FREEBSD : FreeBSD 9.1
CVE:CVE-2013-4851 (The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.)
Original documentdocumentFREEBSD, FreeBSD Security Advisory FreeBSD-SA-13:08.nfsserver (29.07.2013)

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