Vulnerability Details CVE-2021-27803
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.4
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%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/
- 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.debian.org/security/2021/dsa-4898
- https://www.openwall.com/lists/oss-security/2021/02/25/3
- 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%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/
- 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.debian.org/security/2021/dsa-4898
- https://www.openwall.com/lists/oss-security/2021/02/25/3
Products affected by CVE-2021-27803
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cpe:2.3:a:w1.fi:wpa_supplicant:1.0
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cpe:2.3:a:w1.fi:wpa_supplicant:1.1
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cpe:2.3:a:w1.fi:wpa_supplicant:2.0
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cpe:2.3:a:w1.fi:wpa_supplicant:2.0-16
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cpe:2.3:a:w1.fi:wpa_supplicant:2.1
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cpe:2.3:a:w1.fi:wpa_supplicant:2.2
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cpe:2.3:a:w1.fi:wpa_supplicant:2.3
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cpe:2.3:a:w1.fi:wpa_supplicant:2.4
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cpe:2.3:a:w1.fi:wpa_supplicant:2.5
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cpe:2.3:a:w1.fi:wpa_supplicant:2.6
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cpe:2.3:a:w1.fi:wpa_supplicant:2.7
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cpe:2.3:a:w1.fi:wpa_supplicant:2.8
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cpe:2.3:a:w1.fi:wpa_supplicant:2.9
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:fedoraproject:fedora:32
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34