Use After Free Affecting wpa_supplicant package, versions <1:2.6-12.el7_9.2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.23% (66th percentile)

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  • Snyk IDSNYK-RHEL7-WPASUPPLICANT-8014281
  • published17 Sept 2024
  • 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:7 wpa_supplicant to version 1:2.6-12.el7_9.2 or higher.
This issue was patched in RHSA-2021:0808.

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:7 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 Base Scores

version 3.1