tasklwIP - A Lightweight TCP/IP stack - Tasks: task #12357, Ensure that malicious packets...

 
 

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task #12357: Ensure that malicious packets don't assert-fail

Submitter:  Simon Goldschmidt <goldsimon>
Submitted:  Thu 20 Dec 2012 07:41:44 AM UTC
   
 
Category:  None Should Start On:  Thu 20 Dec 2012 12:00:00 AM UTC
Should be Finished on:  Thu 20 Dec 2012 12:00:00 AM UTC Priority:  5 - Normal
Status:  Done Privacy:  Public
Assigned to:  goldsimon Percent Complete:  100%
Open/Closed:  Closed Planned Release:  None
Effort:  0.00

Wed 25 Feb 2015 10:01:05 PM UTC, comment #2: 

Should be good now.

Simon Goldschmidt <goldsimon>
Group administrator
Fri 18 Oct 2013 03:02:08 PM UTC, comment #1: 

DHCP options parsing (dhcp_parse_reply() in dhcp.c) uses LWIP_ERROR assertions to check each option length retrieved from the packet.
A packet with unexpected option length will trigger these fatal assertions.

Florent Matignon <fmatignon>
Thu 20 Dec 2012 07:41:44 AM UTC, original submission:  

Checks on incoming packets shouldn't assert but just drop the packets.

Simon Goldschmidt <goldsimon>
Group administrator

 

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-02-25 goldsimon StatusNone Done
        Percent Complete0% 100%
        Assigned toNone goldsimon
        Open/ClosedOpen Closed

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