SB2015061513 - Multiple vulnerabilities in wpa_supplicant

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2015061513

SB2015061513 - Multiple vulnerabilities in wpa_supplicant

Published: June 15, 2015 Updated: August 9, 2020

Security Bulletin ID SB2015061513
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2015-4146)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.


2) Buffer overflow (CVE-ID: CVE-2015-4143)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted (1) Commit or (2) Confirm message payload.


Remediation

Install update from vendor's website.

References