Back to Database
Status published
High
CVE-2005-4890
There is a possible tty hijacking in shadow 4.x before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2005-4890
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2014/12/15/5
- https://security-tracker.debian.org/tracker/CVE-2005-4890
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2005-4890
- https://access.redhat.com/security/cve/cve-2005-4890
- 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/2016/02/25/6
More from Red Hat
View All →CVE-2025-9909
Aap-gateway: improper path validation in gateway allows credential exfiltration
Medium
6.7
CVE-2025-9908
Event-driven-ansible: sensitive internal headers disclosure in aap eda event streams
Medium
6.7
CVE-2025-9907
Event-driven-ansible: event stream test mode exposes sensitive headers in aap eda
Medium
6.7
CVE-2025-9901
Libsoup: improper handling of http vary header in libsoup caching
Medium
5.9
CVE-2025-9820
Gnutls: stack-based buffer overflow in gnutls_pkcs11_token_init() function
Medium
4
Affected Vendor
Red Hat
View all reports →Affected Software
shadow, sudo
Vulnerable Versions:
4.x before 4.1.5, 1.x before 1.7.4
Timeline
Official Publish:
November 4th, 2019
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.