buglwIP - A Lightweight TCP/IP stack - Bugs: bug #51596, ip4_reass: Insufficient overlap...

 
 

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bug #51596: ip4_reass: Insufficient overlap check

Submitted by:  Ambroz Bizjak <abizjak>
Submitted on:  Thu 27 Jul 2017 10:55:33 PM UTC  
 
Category: IPv4Severity: 3 - Normal
Item Group: Faulty BehaviourStatus: Fixed
Privacy: PublicAssigned to: Simon Goldschmidt <goldsimon>
Open/Closed: ClosedPlanned Release: None
lwIP version: git head

Fri 28 Jul 2017 08:12:13 AM UTC, comment #1:

Fixed, thanks for reporting!

Simon Goldschmidt <goldsimon>
Project AdministratorIn charge of this item.
Thu 27 Jul 2017 10:55:33 PM UTC, original submission:

http://git.savannah.gnu.org/cgit/lwip.git/tree/src/core/ipv4/ip4_frag.c?id=925f3944d3d9de6e730f6d0738844f339ce9e35c#n383

(iprh->end > iprh_tmp->start) should be checked regardless of whether iprh_prev is NULL, otherwise it may end up inserting the pbuf in the head of the chain which overlaps with the next one.

Ambroz Bizjak <abizjak>

 

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Depends on the following items: None found

Items that depend on this one: None found

 

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  • -unavailable- added by goldsimon (Posted a comment)
  • -unavailable- added by abizjak (Submitted the item)
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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 28 Jul 2017 08:12:13 AM UTCgoldsimonStatusNone=>Fixed
      Assigned toNone=>goldsimon
      Open/ClosedOpen=>Closed

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