Files
system76-edk2/NetworkPkg
Doug Flick bbfee34f41 NetworkPkg: Ip6Dxe: SECURITY PATCH CVE-2023-45231 Patch
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4536

Bug Overview:
PixieFail Bug #3
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

Out-of-bounds read when handling a ND Redirect message with truncated
options

Change Overview:

Adds a check to prevent truncated options from being parsed
+  //
+  // 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;
+  }

Cc: Saloni Kasbekar <saloni.kasbekar@intel.com>
Cc: Zachary Clark-williams <zachary.clark-williams@intel.com>

Signed-off-by: Doug Flick [MSFT] <doug.edk2@gmail.com>
Reviewed-by: Saloni Kasbekar <saloni.kasbekar@intel.com>
2024-02-06 19:24:26 +00:00
..