nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE

The nfsaddmntent function in support/nfs/nfsmntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMITFSIZE value,...

nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE

The nfsaddmntent function in support/nfs/nfsmntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMITFSIZE value,...

util-linux (u)mount doesn't drop privileges properly when calling helpers

mount and umount in util-linux and loop-aes-utils call the setuid and setgid functions in the wrong order and do not check the return values, which might allow attackers to gain privileges via helpers such as mount.nfs...