Code Injection in inSync Client for Mac - CVE-2019-4000
Published: February 25, 2020 / Updated: November 27, 2020
Vulnerability identifier: #VU48698
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:P/U:Clear
CVE-ID: CVE-2019-4000
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Druva
Affected software:
inSync Client for Mac
inSync Client for Mac
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code on the target system with elevated privileges.
The vulnerability exists due to improper input validation within the daemon.set_file_acl() method in inSyncDecommission. A local user can send a specially crafted RPC request to port 6059/tcp and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-4000
Install updates from vendor's website.