Vulnerability DatabaseCVE-2016-2781
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CVE-2016-2781
Published:February 07, 2017
Updated:September 23, 2026
chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Related Resources (6)
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2781
http://www.openwall.com/lists/oss-security/2016/02/28/2
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
http://www.openwall.com/lists/oss-security/2016/02/28/3
https://access.redhat.com/security/cve/CVE-2016-2781
https://security-tracker.debian.org/tracker/CVE-2016-2781
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CVSS v4
Base Score:
8.2
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
0.43