CVE-2016-2781

MEDIUM6.5

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

Published Feb 7, 2017

Modified 8 months ago

Details

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.

References

WEBhttp://www.openwall.com/lists/oss-security/2016/02/28/2 WEBhttp://www.openwall.com/lists/oss-security/2016/02/28/3 WEBhttps://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2016-2781

CVSS Analysis

CVSS v3.1

4.6

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

RequiredUI:R

Scope

ChangedS:C

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

NoneA:N

4.6/CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Ecosystems

Timeline

PublishedFeb 7, 2017

ModifiedJun 9, 2025