Privilege escalation in vpnc - CVE-2018-10900
Published: July 24, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU13999
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:A/U:Clear
CVE-ID: CVE-2018-10900
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Gnome Development Team
Affected software:
vpnc
vpnc
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to a newline character can be used to inject a Password helper parameter into the configuration data passed to vpnc. A local attacker can modify a system connection to execute arbitrary commands as root.
How to mitigate CVE-2018-10900
Update to version 1.2.6.