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[wpa_supplicant] [Security] arbitrary code execution

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Tasklist

Attached to Project: Arch Linux
Opened by Jonas Witschel (diabonas) - Thursday, 25 February 2021, 19:16 GMT
Last edited by Andreas Radke (AndyRTR) - Friday, 26 February 2021, 11:14 GMT

Task Type Bug Report
Category Security
Status Assigned
Assigned To Levente Polyak (anthraxx)
Architecture All
Severity High
Priority Immediate
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 1
Private No

Details

Summary
=======

The package wpa_supplicant is vulnerable to denial of service, and possibly arbitrary code execution.

Guidance
========

Applying the patch referenced below (corresponding to upstream commit 8460e3230988ef2ec13ce6b69b687e941f6cdb32) fixes the issue.

References
==========

https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch
https://w1.fi/cgit/hostap/commit/?id=8460e3230988ef2ec13ce6b69b687e941f6cdb32

This task depends upon

Comment by Jonas Witschel (diabonas) - Saturday, 27 February 2021, 09:09 GMT

This is now tracked as CVE-2021-27803 (https://security.archlinux.org/CVE-2021-27803).

Comment by Jonas Witschel (diabonas) - Friday, 02 April 2021, 10:13 GMT

Another issue has recently been discovered that could potentially allow signature forgery. It is labeled CVE-2021-30004 (https://security.archlinux.org/CVE-2021-30004) and fixed by applying https://w1.fi/cgit/hostap/commit/?id=a0541334a6394f8237a4393b7372693cd7e96f15

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