CVE-2005-4890

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory debian.org
Affected: Red Hat shadow
Affected: Red Hat sudo
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2005-4890?
CVE-2005-4890 has been scored as a high severity vulnerability.
How to fix CVE-2005-4890?
To fix CVE-2005-4890, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2005-4890 being actively exploited in the wild?
It is possible that CVE-2005-4890 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2005-4890?
CVE-2005-4890 affects Red Hat shadow, Red Hat sudo.
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