CVE-2013-2776
4.4 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
6.3 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
10.2%
sudo 1.3.5 through 1.7.10p5 and 1.8.0 through 1.8.6p6, when running on systems without /proc or the sysctl function with the tty_tickets option 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.
Affected configurations
References
bugs.debian.org/cgi-bin/bugreport.cgi?bug=701839
lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
rhn.redhat.com/errata/RHSA-2013-1353.html
rhn.redhat.com/errata/RHSA-2013-1701.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.securityfocus.com/bid/62741
www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.517440
www.sudo.ws/repos/sudo/rev/049a12a5cc14
www.sudo.ws/repos/sudo/rev/0c0283d1fafa
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
Related
4.4 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
6.3 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
10.2%