CVE-2017-5226 Information

Description

When executing a program via the bubblewrap sandbox the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal’s input buffer allowing an attacker to escape the sandbox.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Reference

http://www.openwall.com/lists/oss-security/2020/07/10/1 http://www.securityfocus.com/bid/97260 https://bugzilla.redhat.com/show_bug.cgi?id=1411811 https://github.com/projectatomic/bubblewrap/commit/d7fc532c42f0e9bf427923bab85433282b3e5117 https://github.com/projectatomic/bubblewrap/issues/142

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

10.0