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Date: Wed, 26 Jan 2022 12:18:07 +0100
From: Roman Medina-Heigl Hernandez <roman@...labs.com>
To: oss-security@...ts.openwall.com
Subject: Re: pwnkit: Local Privilege Escalation in polkit's
pkexec (CVE-2021-4034)
Exploit by blasty attached (also at:
https://haxx.in/files/blasty-vs-pkexec.c).
PS: Untested because my Debian machine doesn't contain pkexec, even
though Qualy's advisory says it is by default on Debian.
PS2: Since vuln is trivially exploitable other exploits will arise for
sure. Well, indeed there are already other exploits. (eg:
https://github.com/berdav/CVE-2021-4034).
Cheers,
-r
El 25/01/2022 a las 19:04, Sam James escribió:
>
>> On 25 Jan 2022, at 17:57, Qualys Security Advisory <qsa@...lys.com> wrote:
>>
>>
>> Qualys Security Advisory
>> pwnkit: Local Privilege Escalation in polkit's pkexec (CVE-2021-4034)
>> [snip]
> Hi,
>
> For the benefit of downstreams: patch is available in gitlab [0]
> but no release yet.
>
> [0] https://gitlab.freedesktop.org/polkit/polkit/-/commit/a2bf5c9c83b6ae46cbd5c779d3055bff81ded683
>
> Best,
> sam
--
Saludos,
-Román
View attachment "blasty-vs-pkexec.c" of type "text/plain" (2159 bytes)
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