Buffer access with incorrect length value in wpa_supplicant - CVE-2015-5315

Vulnerability identifier: #VU11270

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-5315

CWE-ID: CWE-805

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote unauthenticated 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. A remote attacker can submit a large buffer fragment in an EAP-pwd message and cause the service to crash.

wpa_supplicant
hostapd (Alpine package)

Update to version 2.6.

hostapd (Alpine package) - update to 2.5-r1

• http://w1.fi/security/2015-7/eap-pwd-missing-last-fragment-length-validation.txt

• Denial of service in wpa_supplicant
• Buffer access with incorrect length value in hostapd (Alpine package)