CVE-2015-5316

Publication date 10 November 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The eap_pwd_perform_confirm_exchange function in eap_peer/eap_pwd.c in wpa_supplicant 2.x before 2.6, when EAP-pwd is enabled in a network configuration profile, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an EAP-pwd Confirm message followed by the Identity exchange.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
wpa	15.10 wily	Fixed 2.4-0ubuntu3.2
	15.04 vivid	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not in release
wpasupplicant	15.10 wily	Not in release
	15.04 vivid	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

mdeslaur

looks like it was introduced by 1f1fe195cd8907badca6d4ee17e5fa638b6f83db, so only wily+

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2808-1
wpa_supplicant and hostapd vulnerabilities
10 November 2015