lwIP - A Lightweight TCP/IP stack - Bugs: bug #39956, netif_create_ip6_linklocal_address...
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bug #39956: netif_create_ip6_linklocal_address out of bounds access of netif::hwaddr
Submitter: | Valery Ushakov <uwe> | ||
Submitted: | Thu 05 Sep 2013 05:27:49 PM UTC | ||
Category: | IPv6 | Severity: | 3 - Normal |
Item Group: | Compiler Warning | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | git head |
Wed 04 Mar 2015 07:58:55 PM UTC, comment #3: |
Simon Goldschmidt <goldsimon> |
Mon 25 Aug 2014 04:04:35 PM UTC, comment #2: Thanks for posting, I get this warning too so I'll try to merge the fix.
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Ivan Delamer <idelamer> |
Sun 24 Aug 2014 10:40:03 PM UTC, comment #1: gcc with certain options will warn on this overflow, eg:
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Chris Luke <chrisy> |
Thu 05 Sep 2013 05:27:49 PM UTC, original submission:
In the !from_mac_48bit case hwaddr is read in a loop from 0 to 7 as netif->hwaddr[netif->hwaddr_len - i - 1] and no check is done if hwaddr_len is large enough.
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Valery Ushakov <uwe> |
No files currently attached
Depends on the following items: None found
Items that depend on this one: None found
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Follow 7 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2015-03-04 | goldsimon | Status | Confirmed | Fixed | |
Assigned to | idelamer | goldsimon | |||
Open/Closed | Open | Closed | |||
2014-08-25 | idelamer | Item Group | Faulty Behaviour | Compiler Warning | |
Status | None | Confirmed | |||
Assigned to | None | idelamer | |||
2014-02-20 | goldsimon | Category | None | IPv6 |
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Corresponding source code
Fixed, thanks for reporting.