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CVE-2017-13005/NFS: Add two bounds checks before fetching data
This fixes a buffer over-read discovered by Kamil Frankowicz. Add a test using the capture file supplied by the reporter(s).
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| 30:30:30:30:30:30 > 30:30:30:30:30:30, ethertype Unknown (0x3030), length 808464432: | ||
| 0x0000: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0010: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0020: 3030 3030 3030 3030 3030 3030 3030 3030 0000000000000000 | ||
| 0x0030: 30 0 | ||
| IP 48.48.48.48.12336 > 48.48.48.48.2049: NFS request xid 808464432 12308 [|nfs] |
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