#VU77104 Input validation error in coreutils - CVE-2016-2781
Published: June 8, 2023
Vulnerability identifier: #VU77104
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-2781
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
coreutils
coreutils
Software vendor:
GNU
GNU
Description
The vulnerability allows a local user to escape to the parent session.
The vulnerability exists due in the chroot in GNU coreutils, when used with --userspec. A local user can escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Remediation
Install updates from vendor's website.