CVE-2021-27803

Published: 26 February 2021

A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
wpa
Launchpad, Ubuntu, Debian
Upstream
Released (2:2.9.0-21)
Ubuntu 21.04 (Hirsute Hippo)
Released (2:2.9.0-21)
Ubuntu 20.10 (Groovy Gorilla)
Released (2:2.9-1ubuntu8.2)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2:2.9-1ubuntu4.3)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2:2.6-15ubuntu2.8)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.4-0ubuntu6.8)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.1-0ubuntu1.7+esm4)
Patches:
Upstream: https://w1.fi/cgit/hostap/commit/src/p2p/p2p_pd.c?id=8460e3230988ef2ec13ce6b69b687e941f6cdb32
Upstream: https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch