RedhatCVELIST:CVE-2013-1776CVE-2013-1776
sudo 1.3.5 through 1.7.10 and 1.8.0 through 1.8.5, when the tty_tickets option is enabled, does not properly validate the controlling terminal device, which allows local users with sudo permissions to hijack the authorization of another terminal via vectors related to connecting to the standard input, output, and error file descriptors of another terminal. NOTE: this is one of three closely-related vulnerabilities that were originally assigned CVE-2013-1776, but they have been SPLIT because of different affected versions.
References
bugs.debian.org/cgi-bin/bugreport.cgi?bug=701839
lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
lists.opensuse.org/opensuse-updates/2013-03/msg00066.html
rhn.redhat.com/errata/RHSA-2013-1353.html
www.debian.org/security/2013/dsa-2642
www.openwall.com/lists/oss-security/2013/02/27/31
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securityfocus.com/bid/58207
www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.517440
www.sudo.ws/repos/sudo/rev/632f8e028191
www.sudo.ws/repos/sudo/rev/6b22be4d09f0
www.sudo.ws/sudo/alerts/tty_tickets.html
bugs.launchpad.net/ubuntu/+source/sudo/+bug/87023
bugzilla.redhat.com/show_bug.cgi?id=916365
exchange.xforce.ibmcloud.com/vulnerabilities/82453
support.apple.com/kb/HT205031
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