Use After Free Affecting wpa_supplicant package, versions <1:2.9-2.el8_3.1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.31% (70th percentile)

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  • Snyk IDSNYK-RHEL8-WPASUPPLICANT-3970631
  • published26 Jul 2021
  • disclosed25 Feb 2021

Introduced: 25 Feb 2021

CVE-2021-27803  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 wpa_supplicant to version 1:2.9-2.el8_3.1 or higher.
This issue was patched in RHSA-2021:0809.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpa_supplicant package and not the wpa_supplicant package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1