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CVE-2021-27803

Publication date 26 February 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
wpa 20.10 groovy
Fixed 2:2.9-1ubuntu8.2
20.04 LTS focal
Fixed 2:2.9-1ubuntu4.3
18.04 LTS bionic
Fixed 2:2.6-15ubuntu2.8
16.04 LTS xenial
Fixed 2.4-0ubuntu6.8
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
wpa

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H