SUSE-SU-2017:3025-1

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SUSE-SU-2017:3025-1

Summary: Security update for xorg-x11-server

Details: This update for xorg-x11-server provides several fixes. These security issues were fixed: - CVE-2017-13723: Prevent local DoS via unusual characters in XkbAtomText and XkbStringText (bsc#1051150). - Improve the entropy when generating random data used in X.org server authorization cookies generation by using getentropy() and getrandom() when available (bsc#1025084) - CVE-2017-12184,CVE-2017-12185,CVE-2017-12186,CVE-2017-12187: Fixed unvalidated lengths in multiple extensions (bsc#1063034) - CVE-2017-12183: Fixed some unvalidated lengths in the XFIXES extension. (bsc#1063035) - CVE-2017-12180,CVE-2017-12181,CVE-2017-12182: Fixed various unvalidated lengths in the XFree86-VidMode/XFree86-DGA/XFree86-DRI extensions (bsc#1063037) - CVE-2017-12179: Fixed an integer overflow and unvalidated length in (S)ProcXIBarrierReleasePointer in Xi (bsc#1063038) - CVE-2017-12178: Fixed a wrong extra length check in ProcXIChangeHierarchy in Xi (bsc#1063039) - CVE-2017-12177: Fixed an unvalidated variable-length request in ProcDbeGetVisualInfo (bsc#1063040) - CVE-2017-12176: Fixed an unvalidated extra length in ProcEstablishConnection (bsc#1063041)

References: https://www.suse.com/support/update/announcement/2017/suse-su-20173025-1/, https://bugzilla.suse.com/1025084, https://bugzilla.suse.com/1051150, https://bugzilla.suse.com/1063034, https://bugzilla.suse.com/1063035, https://bugzilla.suse.com/1063037, https://bugzilla.suse.com/1063038, https://bugzilla.suse.com/1063039, https://bugzilla.suse.com/1063040, https://bugzilla.suse.com/1063041, https://www.suse.com/security/cve/CVE-2017-12176, https://www.suse.com/security/cve/CVE-2017-12177, https://www.suse.com/security/cve/CVE-2017-12178, https://www.suse.com/security/cve/CVE-2017-12179, https://www.suse.com/security/cve/CVE-2017-12180, https://www.suse.com/security/cve/CVE-2017-12181, https://www.suse.com/security/cve/CVE-2017-12182, https://www.suse.com/security/cve/CVE-2017-12183, https://www.suse.com/security/cve/CVE-2017-12184, https://www.suse.com/security/cve/CVE-2017-12185, https://www.suse.com/security/cve/CVE-2017-12186, https://www.suse.com/security/cve/CVE-2017-12187, https://www.suse.com/security/cve/CVE-2017-13723