Memory corruption in hostapd - CVE-2015-5314

 

Memory corruption in hostapd - CVE-2015-5314

Published: March 26, 2018


Vulnerability identifier: #VU11265
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2015-5314
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Jouni Malinen
Affected software:
hostapd

Detailed vulnerability description

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.

How to mitigate CVE-2015-5314

Update to version 2.6.

Sources