Re: [edk2-devel] [PATCH 05/14] NetworkPkg: Ip6Dxe: SECURITY PATCH CVE-2023-45231 - Patch

["Gerd Hoffmann" <kraxel@redhat.com>]

On Tue, Jan 23, 2024 at 07:33:28PM -0800, Doug Flick via groups.io wrote:
> From: Doug Flick <dougflick@microsoft.com>
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4536
> 
> SECURITY PATCH - Patch
> 
> TCBZ4536
> CVE-2023-45231
> CVSS 6.5 : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
> CWE-125 Out-of-bounds Read

Same comment for the commit message as for patch #1.

> +  //
> +  // Cannot process truncated options.
> +  // Cannot process options with a length of 0 as there is no Type field.
> +  //
> +  if (OptionLen < sizeof (IP6_OPTION_HEADER)) {
> +    return FALSE;
> +  }

Code change is good (and the commit message describing the change can be
as short as the patch itself ;)

take care,
  Gerd



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