CVE-2017-1000367 Information

Description

Todd Miller’s sudo version 1.8.20 and earlier is vulnerable to an input validation (embedded spaces) in the get_process_ttyname() function resulting in information disclosure and command execution.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00077.html http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00078.html http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00079.html http://packetstormsecurity.com/files/142783/Sudo-get_process_ttyname-Race-Condition.html http://seclists.org/fulldisclosure/2017/Jun/3 http://www.debian.org/security/2017/dsa-3867 http://www.openwall.com/lists/oss-security/2017/05/30/16 http://www.securityfocus.com/bid/98745 http://www.securitytracker.com/id/1038582 http://www.ubuntu.com/usn/USN-3304-1 https://access.redhat.com/errata/RHSA-2017:1381 https://access.redhat.com/errata/RHSA-2017:1382 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VXEXC4NNIG2QOZY6N2YUK246KI3D3UQO/ https://security.gentoo.org/glsa/201705-15 https://www.exploit-db.com/exploits/42183/ https://www.sudo.ws/alerts/linux_tty.html

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.4