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CVE-2013-1776

Status Candidate

Overview

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.

Related Files

Apple Security Advisory 2015-08-13-2
Posted Aug 13, 2015
Authored by Apple | Site apple.com

Apple Security Advisory 2015-08-13-2 - OS X Yosemite 10.10.5 and Security Update 2015-006 is now available and addresses vulnerabilities in Apache, the OD plug-in, IOBluetoothHCIController, and more.

tags | advisory, vulnerability
systems | apple, osx
advisories | CVE-2009-5044, CVE-2009-5078, CVE-2012-6685, CVE-2013-1775, CVE-2013-1776, CVE-2013-2776, CVE-2013-2777, CVE-2013-7040, CVE-2013-7338, CVE-2013-7422, CVE-2014-0067, CVE-2014-0106, CVE-2014-0191, CVE-2014-1912, CVE-2014-3581, CVE-2014-3583, CVE-2014-3613, CVE-2014-3620, CVE-2014-3660, CVE-2014-3707, CVE-2014-7185, CVE-2014-7844, CVE-2014-8109, CVE-2014-8150, CVE-2014-8151, CVE-2014-8161, CVE-2014-8767, CVE-2014-8769
MD5 | 4a5d37a22b2a5dc65f8821a63540e1c6
Gentoo Linux Security Advisory 201401-23
Posted Jan 22, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201401-23 - Multiple vulnerabilities have been found in sudo which could result in privilege escalation. Versions less than 1.8.6_p7 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2013-1775, CVE-2013-1776, CVE-2013-2776, CVE-2013-2777
MD5 | 3857c7aa1151d30e4fc3cefdf8f1c4fa
Red Hat Security Advisory 2013-1353-01
Posted Oct 1, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1353-01 - The sudo utility allows system administrators to give certain users the ability to run commands as root. A flaw was found in the way sudo handled time stamp files. An attacker able to run code as a local user and with the ability to control the system clock could possibly gain additional privileges by running commands that the victim user was allowed to run via sudo, without knowing the victim's password. It was found that sudo did not properly validate the controlling terminal device when the tty_tickets option was enabled in the /etc/sudoers file. An attacker able to run code as a local user could possibly gain additional privileges by running commands that the victim user was allowed to run via sudo, without knowing the victim's password.

tags | advisory, local, root
systems | linux, redhat
advisories | CVE-2013-1775, CVE-2013-1776, CVE-2013-2776
MD5 | bbc4bba7d2cd06746dbf59243ebb91f7
Mandriva Linux Security Advisory 2013-054
Posted Apr 7, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-054 - A flaw exists in the IP network matching code in sudo versions 1.6.9p3 through 1.8.4p4 that may result in the local host being matched even though it is not actually part of the network described by the IP address and associated netmask listed in the sudoers file or in LDAP. As a result, users authorized to run commands on certain IP networks may be able to run commands on hosts that belong to other networks not explicitly listed in sudoers. sudo 1.6.0 through 1.7.10p6 and sudo 1.8.0 through 1.8.6p6 allows local users or physically-proximate attackers to bypass intended time restrictions and retain privileges without re-authenticating by setting the system clock and sudo user timestamp to the epoch. Sudo before 1.8.6p7 allows a malicious user to run commands via sudo without authenticating, so long as there exists a terminal the user has access to where a sudo command was successfully run by that same user within the password timeout period. The updated packages have been patched to correct these issues.

tags | advisory, local
systems | linux, mandriva
advisories | CVE-2012-2337, CVE-2013-1775, CVE-2013-1776
MD5 | dfead7a98a30d8a1fd5649a857071f2a
Mandriva Linux Security Advisory 2013-026
Posted Mar 19, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-026 - sudo 1.6.0 through 1.7.10p6 and sudo 1.8.0 through 1.8.6p6 allows local users or physically-proximate attackers to bypass intended time restrictions and retain privileges without re-authenticating by setting the system clock and sudo user timestamp to the epoch. Sudo before 1.8.6p7 allows a malicious user to run commands via sudo without authenticating, so long as there exists a terminal the user has access to where a sudo command was successfully run by that same user within the password timeout period. The updated packages have been patched to correct these issues.

tags | advisory, local
systems | linux, mandriva
advisories | CVE-2013-1775, CVE-2013-1776
MD5 | a2e5e049f9aee6ec6abd63797bac8dd4
Debian Security Advisory 2642-1
Posted Mar 9, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2642-1 - Several vulnerabilities have been discovered in sudo, a program designed to allow a sysadmin to give limited root privileges to users.

tags | advisory, root, vulnerability
systems | linux, debian
advisories | CVE-2013-1775, CVE-2013-1776
MD5 | b8c8a6e2271fd90f51c9ef329b2a1aef
Slackware Security Advisory - sudo Updates
Posted Mar 8, 2013
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New sudo packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix security issues. Related CVE Numbers: CVE-2013-1775,CVE-2013-1776.

tags | advisory
systems | linux, slackware
advisories | CVE-2013-1775, CVE-2013-1776
MD5 | 8dec22558085b255a941891213a4d98e
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