maintainer-feedback requested: [Bug 236578] x11/libXdmcp: Update to 1.1.3

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Mar 16 17:56:27 UTC 2019


Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-x11 mailing list
<x11 at FreeBSD.org> for maintainer-feedback:
Bug 236578: x11/libXdmcp: Update to 1.1.3
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236578



--- Description ---
Upstream release to address CVE-2017-2625:
https://lists.freedesktop.org/archives/xorg/2019-March/059690.html

libXdmcp is the X Display Manager Control Protocol library, used by both
X servers and display managers to handle both ends of the XDMCP connection.

This release provides a fix for CVE-2017-2625 for platforms which don't have
arc4random_buf() in their default libraries but do have getentropy(), such
as Linux platforms with a kernel version of 3.17 or newer and a glibc version
of 2.25 or newer.   (libXdmcp 1.1.2 already ensured that arc4random_buf()
is used on platforms that have it to provide sufficient entropy in XDMCP
key generation, but left other platforms with the weaker methods.  Linux
platforms could also have linked against libbsd to use arc4random_buf()
with libXdmcp 1.1.2 for stronger keys.)


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