Privilege escalation in Keybase - #VU16647
Published: December 21, 2018
Vulnerability identifier: #VU16647
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: N/A
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Keybase
Affected software:
Keybase
Keybase
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists due to insufficient permission checking by the Keybase Helper process. A local attacker can gain elevated privileges to upgrade the FUSE kext and load it on machine startup.
The weakness exists due to insufficient permission checking by the Keybase Helper process. A local attacker can gain elevated privileges to upgrade the FUSE kext and load it on machine startup.
Remediation
Update to version 2.11.