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CVE-2017-13037/IP: Add bounds checks when printing time stamp options.
This fixes a buffer over-read discovered by Bhargava Shastry, SecT/TU Berlin. Add a test using the capture file supplied by the reporter(s), modified so the capture file won't be rejected as an invalid capture.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| IP (tos 0xe2,ECT(0), id 32, offset 0, flags [+, DF, rsvd], proto ICMP (1), length 65319, options (timestamp TS{[bad length 14]TS+ADDR ^ 1229070338@0.0.52.112[|ip]), bad cksum a09b (->90a7)!) | ||
| 149.8.33.81 > 95.18.83.227: [|icmp] |
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