OpenSSH 5.9 released

OpenSSH 5.9 has been released. It’s be available from the mirrors listed at http://www.openssh.com/.

Features:
  • Introduce sandboxing of the pre-auth privsep child using an optional sshd_config(5) „UsePrivilegeSeparation=sandbox” mode that enables mandatory restrictions on the syscalls the privsep child can perform. This intention is to prevent a compromised privsep child from being used to attack other hosts (by opening sockets and proxying) or probing local kernel attack surface.
  • ssh(1) now warns when a server refuses X11 forwarding
  • The pre-authentication sshd(8) privilege separation slave process now logs via a socket shared with the master process, avoiding the need to maintain /dev/log inside the chroot.
  • sshd_config(5)’s AuthorizedKeysFile now accepts multiple paths, separated by whitespace. The undocumented AuthorizedKeysFile2 option is deprecated (though the default for AuthorizedKeysFile includes .ssh/authorized_keys2)
  • ssh_config(5) „Host” options now support negated Host matching

All changes since OpenSSH 5.8.

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[Samstag, 20110917, 15:21 | permanent link | 0 Kommentar(e)

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