SB2015112001 - Memory corruption in hostapd (Alpine package)
Published: November 20, 2015
Security Bulletin ID
SB2015112001
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2015-5314)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists in the eap_pwd_process function due to missing last fragment length validation. An adjacent attacker can submit a large buffer fragment in an EAP-pwd message, trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.