lwIP - A Lightweight TCP/IP stack - Bugs: bug #37853, Incoming packet with invalid ip...
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bug #37853: Incoming packet with invalid ip header length causes assertion
Submitter: | Martin Sträng <mstrang> | ||
Submitted: | Mon 03 Dec 2012 09:39:36 AM UTC | ||
Category: | IPv4 | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Works For Me |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | 1.4.0 |
Tue 20 May 2014 08:21:32 PM UTC, comment #2: |
Simon Goldschmidt <goldsimon> |
Tue 15 Jan 2013 07:41:22 PM UTC, comment #1: Can you provide an example packet leading to this assert? I tried but failed...
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Simon Goldschmidt <goldsimon> |
Mon 03 Dec 2012 09:39:36 AM UTC, original submission:
If an IP packet with an erroneous header length is sent to a DUT running lwip, this invalid header is caught by a LWIP_ERROR-check in the pbuf_header which in the default implementation leads to a platform_assert.
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Martin Sträng <mstrang> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 6 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2014-05-21 | goldsimon | Privacy | Private | Public | |
2014-05-20 | goldsimon | Status | Need Info | Works For Me | |
Open/Closed | Open | Closed | |||
2013-01-15 | goldsimon | Status | None | Need Info | |
Assigned to | None | goldsimon | |||
2012-12-03 | mstrang | Attached File | - | Added ip4.patch, #27027 |
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Corresponding source code
No answer for more than a year.
Please reopen if you have more information.
Don't get me wrong, I'd love to run a hardening test on lwIP, but open bugs without more input (when needed) don't get us anywhere...