CVE-2016-4477
wpa_supplicant: local configuration update allows privilege escalation
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · May 2, 2016
Updated · November 21, 2025
Description
wpa_supplicant 0.4.0 through 2.5 does not reject \n and \r characters in passphrase parameters, which allows local users to trigger arbitrary library loading and consequently gain privileges, or cause a denial of service (daemon outage), via a crafted (1) SET, (2) SET_CRED, or (3) SET_NETWORK command.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 · 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P
CWE-88 · Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')