| Name | CVE-2021-27803 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2581-1, DSA-4898-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wpa (PTS) | buster | 2:2.7+git20190128+0c1e29f-6+deb10u3 | fixed |
| buster (security) | 2:2.7+git20190128+0c1e29f-6+deb10u4 | fixed |
| bullseye | 2:2.9.0-21 | fixed |
| bookworm | 2:2.10-12 | fixed |
| trixie, sid | 2:2.10-21 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| wpa | source | stretch | 2:2.4-1+deb9u9 | | DLA-2581-1 | |
| wpa | source | buster | 2:2.7+git20190128+0c1e29f-6+deb10u3 | | DSA-4898-1 | |
| wpa | source | (unstable) | 2:2.9.0-21 | | | |
Notes
https://www.openwall.com/lists/oss-security/2021/02/25/3
https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch