SB2016053015 - Privilege Escalation in wpa_supplicant (Alpine package)
Published: May 30, 2016
Security Bulletin ID
SB2016053015
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege Escalation (CVE-ID: CVE-2016-4477)
CWE-ID: CWE-88 - Argument Injection or Modification
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain elevated privileges on the target system.
The weakness exists due to access control error. Updating of the local configuration through the control interface
SET_NETWORK command lets attackers to run code from a localy strored library file under the same privileges as the wpa _supplicant process has.
Successful exploitation of the vulnerability results in privilege escalation on the vulnerable system.
Remediation
Install update from vendor's website.