CVE-2005-4890 Information

Description

There is a possible tty hijacking in shadow 4.x before 4.1.5 and sudo 1.x before 1.7.4 via \su - user -c program. The user session can be escaped to the parent session by using the TIOCSTI ioctl to push characters into the input buffer to be read by the next process.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.openwall.com/lists/oss-security/2012/11/06/8 http://www.openwall.com/lists/oss-security/2013/05/20/3 http://www.openwall.com/lists/oss-security/2013/11/28/10 http://www.openwall.com/lists/oss-security/2013/11/29/5 http://www.openwall.com/lists/oss-security/2014/10/20/9 http://www.openwall.com/lists/oss-security/2014/10/21/1 http://www.openwall.com/lists/oss-security/2014/12/15/5 http://www.openwall.com/lists/oss-security/2016/02/25/6 https://access.redhat.com/security/cve/cve-2005-4890 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2005-4890 https://security-tracker.debian.org/tracker/CVE-2005-4890

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8