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OpenSSH Security Advisory: x11fwd.adv This document may be found at: http://www.openssh.com/txt/x11fwd.adv 1. Affected configurations All versions of OpenSSH prior to 7.2p2 with X11Forwarding enabled. 2. Vulnerability Missing sanitisation of untrusted input allows an authenticated user who is able to request X11 for...

OpenSSH Security Advisory: x11fwd.adv This document may be found at: http://www.openssh.com/txt/x11fwd.adv 1. Affected configurations All versions of OpenSSH prior to 7.2p2 with X11Forwarding enabled. 2. Vulnerability Missing sanitisation of untrusted input allows an authenticated user who is able to request X11 for...

...Changes since OpenSSH 7.2p1 =========================== This release fixes a security bug: * sshd(8): sanitise X11 authentication credentials to avoid xauth command injection when X11Forwarding is enabled. Full details of the vulnerability are available at: http://www.openssh.com/txt/x11fwd.adv Checksums: ========== - SHA1 (openssh-7.2p2.tar.gz) = 70e35d7d6386fe08abbd823b3a12a3ca44ac6d38 - SHA256 (openssh-7.2p2.tar.gz) = pyeB0aBDh2oiT/GwAy2qQJTYdWWmhSh1nBwsq1SCVIw= Please note that the SHA256 signatures are base64 encoded and not hexadecimal (which is the default for most checksu...

I do not often use X11 - but when I do I prefer to enable X11forwarding, and when finished - turn it off. This is preferable, imho, to having "clear" X11 processing when local - and otherwise impossible when working remote. Working with openssh-7.5p2 I cannot figure out what (extra) I need to do with sshd_config to get it working. I know that there is a security-fix starting with

Things that are still outstanding: 1) Solaris/Redhat/HPUX session.c patch. I've not seen a ya or na on Kevin's pam patch from the Solaris group. 2) Odd Redhat/Debian scp/ssh issues. .. I'm baffled, and I can't replicate the bug. Nor have I seen anything remotely like it reported. 3) SCO.. Is it happy yet for compiling? =) Completed: 1) mdoc2man.pl .. Commited into