CVE-2005-4890

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.

Published: Nov 4, 2019
Updated: Apr 13, 2023
CVE: CVE-2005-4890
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.8
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: High
Score: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

CWE-20

Affected Software
References

Software	From	Fixed in
sudo_project / sudo	1.3.0	1.7.4.x
debian / shadow	4.0.0	4.1.5.x
debian / debian_linux	8.0	8.0.x
debian / debian_linux	9.0	9.0.x
debian / debian_linux	10.0	10.0.x
redhat / enterprise_linux	6.0	6.0.x
redhat / enterprise_linux	4	4.x
redhat / enterprise_linux	5	5.x

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

Vulnerability Database

289,689

CVE-2005-4890