Vulnerability CVE-2021-27803
Published: 2021-02-26   Modified: 2021-02-27

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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:A/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.4/10
6.4/10
5.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
W1.fi -> Wpa supplicant 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
http://www.openwall.com/lists/oss-security/2021/02/27/1
https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch
https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
https://www.openwall.com/lists/oss-security/2021/02/25/3
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