CVE-2005-4890

HIGH 7.8CVE-2005-4890 · Published 04/11/2019 · updated 16/06/2026

Package	Affected versions	Patched versions
shadow debian	`≥ 4.0.0, ≤ 4.1.5`	No fix yet
sudo sudo_project	`≥ 1.3.0, ≤ 1.7.4`	No fix yet

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.

References

openwall.com/lists/oss-security/2012/11/06/8 · Mailing List
openwall.com/lists/oss-security/2013/05/20/3 · Mailing List
openwall.com/lists/oss-security/2013/11/28/10 · Mailing List
openwall.com/lists/oss-security/2013/11/29/5 · Mailing List
openwall.com/lists/oss-security/2014/10/20/9 · Mailing List
openwall.com/lists/oss-security/2014/10/21/1 · Mailing List
openwall.com/lists/oss-security/2014/12/15/5 · Mailing List
openwall.com/lists/oss-security/2016/02/25/6 · Exploit
access.redhat.com/security/cve/cve-2005-4890 · Third Party Advisory
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
security-tracker.debian.org/tracker/CVE-2005-4890 · Third Party Advisory

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