Packages
- wpa - client support for WPA and WPA2
Details
It was discovered that wpa_supplicant did not properly handle P2P
(Wi-Fi Direct) group information in some situations, leading to a
heap overflow. A physically proximate attacker could use this to cause a
denial of service or possibly execute arbitrary code. (CVE-2021-0326)
It was discovered that hostapd did not properly handle UPnP subscribe
messages in some circumstances. An attacker could use this to cause a
denial of service. (CVE-2020-12695)
It was discovered that wpa_supplicant did not properly handle P2P
(Wi-Fi Direct) group information in some situations, leading to a
heap overflow. A physically proximate attacker could use this to cause a
denial of service or possibly execute arbitrary code. (CVE-2021-0326)
It was discovered that hostapd did not properly handle UPnP subscribe
messages in some circumstances. An attacker could use this to cause a
denial of service. (CVE-2020-12695)
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.10 groovy | hostapd – 2:2.9-1ubuntu8.1 | ||
| wpasupplicant – 2:2.9-1ubuntu8.1 | |||
| 20.04 focal | hostapd – 2:2.9-1ubuntu4.2 | ||
| wpasupplicant – 2:2.9-1ubuntu4.2 | |||
| 18.04 bionic | hostapd – 2:2.6-15ubuntu2.7 | ||
| wpasupplicant – 2:2.6-15ubuntu2.7 | |||
| 16.04 xenial | hostapd – 1:2.4-0ubuntu6.7 | ||
| wpasupplicant – 2.4-0ubuntu6.7 | |||
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