CVE-2021-27803
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
W1.fi Wpa Supplicant
PublishedFeb 26, 2021
First seenFeb 26, 2021
How to fix
Update
- w1.fi wpa_supplicant2.10 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/
- debian.org/security/2021/dsa-4898
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| w1.fi wpa_supplicant | 1.0 ≤ v < 2.10 | 2.10 |
| fedoraproject fedora | 32, 33, 34 | — |
| debian debian_linux | 9.0, 10.0 | — |
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