{"id":"CVE-2013-2776","aliases":["DEBIAN-CVE-2013-2776","DSA-2642-1","EUVD-2013-2715","GHSA-crcj-xh9h-7wr8","RHSA-2013:1353","RHSA-2013:1701"],"status":"published","title":"sudo 1.3.5 through 1.7.10p5 and 1.8.0 through 1.8.6p6, when running on systems without /proc or...","description":"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.","severity":{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0037,"percentile":0.31186,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2013-03-09T00:00:00Z","modified":"2026-09-01T20:03:16Z","fixes":[{"ecosystem":"Debian:12","package":"sudo","fixed_in":["1.8.5p2-1+nmu1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sudo","fixed_in":["1.8.5p2-1+nmu1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sudo","fixed_in":["1.8.5p2-1+nmu1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.5p2-1+nmu1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.5p2-1+nmu1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.5p2-1+nmu1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"sudo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.4p4-2.squeeze.4"}]}],"versions":["1.7.4p4-2.squeeze.1","1.7.4p4-2.squeeze.2","1.7.4p4-2.squeeze.3"],"bundled":4},{"source":"osv","ecosystem":"Red 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Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/58207","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=701839","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1701.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2013/dsa-2642","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2013/02/27/31","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.sudo.ws/repos/sudo/rev/0c0283d1fafa","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.sudo.ws/sudo/alerts/tty_tickets.html","tags":["x_refsource_CONFIRM","x_transferred","web","article"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","web"]},{"url":"http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2013\u0026m=slackware-security.517440","tags":["vendor-advisory","x_refsource_SLACKWARE","x_transferred","web"]},{"url":"https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/87023","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/62741","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1353.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://support.apple.com/kb/HT205031","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=916365","tags":["x_refsource_MISC","x_transferred","report"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/82453","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2776","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-crcj-xh9h-7wr8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2776","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1353","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=853203","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=856902","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=916363","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=949751","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1353.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-1775","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1775","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1775","tags":["advisory"]},{"url":"http://www.sudo.ws/sudo/alerts/epoch_ticket.html","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-1776","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1776","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1776","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-2776","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-2776","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1701","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=856901","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=886648","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=949753","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=994563","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=994626","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1701.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-2777","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-2777","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2777","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2013-2776","description":"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.","status":"published","published":"2013-04-08T17:00:00Z","modified":"2024-08-06T15:44:33.684Z","updated_at":"2026-11-02T14:34:56.19172Z"}],"euvd":[{"id":"EUVD-2013-2715","description":"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.","status":"published","published":"2013-04-08T17:00:00Z","modified":"2024-08-06T15:44:33Z","updated_at":"2026-11-03T01:56:37.731533Z"}],"ghsa":[{"id":"GHSA-crcj-xh9h-7wr8","title":"sudo 1.3.5 through 1.7.10p5 and 1.8.0 through 1.8.6p6, when running on systems without /proc or...","description":"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.","status":"published","published":"2022-05-17T01:35:57Z","modified":"2023-02-03T05:04:31Z","updated_at":"2026-11-02T14:53:34.195392Z"}],"nvd":[{"id":"CVE-2013-2776","description":"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.","status":"published","published":"2013-04-08T17:55:01.127Z","modified":"2026-06-16T23:53:56.83Z","cvss":[{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:24.091325Z"}],"osv":[{"id":"CVE-2013-2776","description":"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.","status":"published","published":"2013-04-08T17:55:01Z","modified":"2026-04-10T03:44:27.868255Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-2776","description":"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.","status":"published","published":"2013-04-08T17:55:01.127Z","modified":"2026-09-01T20:03:16.00679659Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2642-1","title":"sudo - several issues","status":"published","published":"2013-03-09T00:00:00Z","modified":"2026-03-09T01:19:48.940211Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"RHSA-2013:1353","title":"Red Hat Security Advisory: sudo security and bug fix update","status":"published","published":"2024-09-15T20:53:53Z","modified":"2026-06-26T10:22:21Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2013:1701","title":"Red Hat Security Advisory: sudo security, bug fix and enhancement update","status":"published","published":"2024-09-15T21:04:24Z","modified":"2026-06-26T10:22:48Z","updated_at":"2026-11-02T15:53:01.993625Z"}]}}