7.5 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
5.4 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
59.1%
Issue Overview:
A flaw was found in the wpa_supplicant, in the way it processes P2P (Wi-Fi Direct) provision discovery requests. This flaw allows an attacker who is within radio range of the device running P2P discovery to cause termination of the wpa_supplicant process or potentially cause code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-27803)
Affected Packages:
wpa_supplicant
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update wpa_supplicant to update your system.
New Packages:
aarch64:
wpa_supplicant-2.6-12.amzn2.2.1.aarch64
wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.aarch64
i686:
wpa_supplicant-2.6-12.amzn2.2.1.i686
wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.i686
src:
wpa_supplicant-2.6-12.amzn2.2.1.src
x86_64:
wpa_supplicant-2.6-12.amzn2.2.1.x86_64
wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.x86_64
Red Hat: CVE-2021-27803
Mitre: CVE-2021-27803
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | wpa_supplicant | < 2.6-12.amzn2.2.1 | wpa_supplicant-2.6-12.amzn2.2.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | wpa_supplicant-debuginfo | < 2.6-12.amzn2.2.1 | wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.aarch64.rpm |
Amazon Linux | 2 | i686 | wpa_supplicant | < 2.6-12.amzn2.2.1 | wpa_supplicant-2.6-12.amzn2.2.1.i686.rpm |
Amazon Linux | 2 | i686 | wpa_supplicant-debuginfo | < 2.6-12.amzn2.2.1 | wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.i686.rpm |
Amazon Linux | 2 | x86_64 | wpa_supplicant | < 2.6-12.amzn2.2.1 | wpa_supplicant-2.6-12.amzn2.2.1.x86_64.rpm |
Amazon Linux | 2 | x86_64 | wpa_supplicant-debuginfo | < 2.6-12.amzn2.2.1 | wpa_supplicant-debuginfo-2.6-12.amzn2.2.1.x86_64.rpm |
7.5 High
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
5.4 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
59.1%