SB2019041732 - Information disclosure in hostapd (Alpine package)
Published: April 17, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2019-9494)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the implementations of SAE are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. A remote attacker can gain leaked information from a side channel attack that can be used for full password recovery.
Remediation
Install update from vendor's website.