Red Hat Security Advisory 2021-1686-01 - The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2, and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.
5f2eac34b23d18e80508000f078ea6af9ddeb44478e7537e3a94032cec850eb0Debian Linux Security Advisory 4898-1 - Several vulnerabilities have been discovered in wpa_supplicant and hostapd.
beda0161fb6dbecc5fa406f217cd58f29ad375739b5e967ada8225791a6d7572Ubuntu Security Notice 4734-2 - USN-4734-1 fixed several vulnerabilities in wpa_supplicant. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that wpa_supplicant did not properly handle P2P 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. 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. Various other issues were also addressed.
49410830b0c8b8841b939879c09f65434aed797cf17da754ead53d148a5e865fUbuntu Security Notice 4734-1 - It was discovered that wpa_supplicant did not properly handle P2P 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. 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. Various other issues were also addressed.
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