CVE-2015-4141: Buffer Overflow
The WPS UPnP function in hostapd, when using WPS AP, and wpasupplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-4141?
CVE-2015-4141 has been classified as a denial of service vulnerability that can lead to a crash in affected software.
How do I fix CVE-2015-4141?
To fix CVE-2015-4141, update to versions of wpa_supplicant and hostapd that are above the affected versions, specifically those later than 2.4 for wpa_supplicant and 2.4 for hostapd.
Which software versions are affected by CVE-2015-4141?
CVE-2015-4141 affects wpa_supplicant versions from 0.7.0 through 2.4 and hostapd versions from 0.7.0 through 2.4.
What causes the vulnerability CVE-2015-4141?
CVE-2015-4141 is caused by the WPS UPnP function handling a negative chunk length, leading to an out-of-bounds read or heap-based buffer overflow.
Who can exploit the CVE-2015-4141 vulnerability?
CVE-2015-4141 can be exploited by remote attackers who can send specially crafted requests to trigger the denial of service condition.