From: Daniel Wagner <wagi@monom.org>
To: connman@lists.linux.dev
Cc: Polina Smirnova <moe.hwr@gmail.com>
Subject: Re: [PATCH] gdhcp: Verify and sanitize packet length first
Date: Tue, 11 Apr 2023 09:40:09 +0200 [thread overview]
Message-ID: <20230411074009.edz2ecwkamtqy2d3@beryllium.lan> (raw)
In-Reply-To: <20230411061945.8089-1-wagi@monom.org>
On Tue, Apr 11, 2023 at 08:19:45AM +0200, Daniel Wagner wrote:
> Avoid overwriting the read packet length after the initial test. Thus
> move all the length checks which depends on the total length first
> and do not use the total lenght from the IP packet afterwards.
>
> Fixes CVE-2023-28488
>
> Reported by Polina Smirnova <moe.hwr@gmail.com>
Patch applied.
prev parent reply other threads:[~2023-04-11 7:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 6:19 [PATCH] gdhcp: Verify and sanitize packet length first Daniel Wagner
2023-04-11 7:40 ` Daniel Wagner [this message]
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