Permissions, Privileges, and Access Controls in IBus - CVE-2019-14822

 

Permissions, Privileges, and Access Controls in IBus - CVE-2019-14822

Published: September 19, 2019 / Updated: February 25, 2020


Vulnerability identifier: #VU21199
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14822
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: IBus Project
Affected software:
IBus

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to iBus does not check user privileges when allowing connection to the AF_UNIX socket. A local user can connect to an existing AF_UNIX socket and perform arbitrary actions, such read and send messages on behalf of another user connected on a graphical environment. 


How to mitigate CVE-2019-14822

Install update from vendor's website.

Sources