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Commits on Jan 29, 2021

• Added a packet that demonstrates how the 6LoWPAN header decompression can read outside the buffer boundary. An address sanitizer may be needed to notice the behavior, however.

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• Add buffer space checks for packet decompression.

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• Avoid passing the packet to the upper layer if the IPHC decompression failed.

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Commits on Nov 4, 2020

• Add a packet that can make the SRH address point outside the uIP buffer.

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• Validate the calculated address pointer based on the source routing header.

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Commits on Oct 9, 2020

• Added a test packet that triggers an out-of-bounds write in sicslowpan.c.

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• Check that there is enough room in the buffer to write an external header.

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Commits on Oct 8, 2020

• Added a packet that triggers an infinite loop in uip-nd6.c.

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• Switch to 16-bit ND6 option offsets in order to avoid an overflow that causes an infinite loop.

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Commits on Aug 31, 2020

• Verify the given TCP data offset value to avoid a possible overflow of uip_len.

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Commits on Jun 12, 2020

• Merge pull request contiki-ng#1308 from simonduq/fix/sicslowpan-store-frag

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Commits on Jan 10, 2020

• Added a test packet for SRH parsing.

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Commits on Jan 8, 2020

• Validate the segments_left field in the SRH.

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Commits on Sep 26, 2019

• Check the total size of the fragmented packets.

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• Use the frag_context variable only when SICSLOWPAN_CONF_FRAG is set.

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• Check that output packet has sufficiently large uip_len.

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• Avoid using previous data if fragments are missing.

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• Check ext header length before copying into the uip buffer.

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• Make a compile time check on the configured fragment size.

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• Add defensive length checks for 6LoWPAN fragment reassembly.

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Commits on May 3, 2019

• Added a packet injector test.

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Commits on Apr 18, 2019

• Merge pull request contiki-ng#904 from g-oikonomou/bugfix/rpl-lite-without-probing

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Commits on Mar 12, 2019

• Verify that uip_len is acceptable before continuing with packet processing.

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Commits on Mar 5, 2019

• Move src IP address check up to avoid doing unnecessary operations. Remove the assumption that the caller has checked that the address is not multicast.

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• Make sure that the uip_ext_len is reset to 0 when sending ICMPv6 errors. If this is not done, the checksum functions might use invalid length values.

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• Check whether the extension header is large enough to handle a deallocation of a certain size.

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• Check whether uipbuf usage succeeded before continuing to handle packets. Also ensures that the extension header length is stored in a 16-bit integer to avoid overflows.

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Commits on Jan 10, 2019

• Extend 8-bit variables to 16 bits to avoid integer overflows when processing IPv6 extension header options.

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Commits on Aug 27, 2018

• Set a larger default bytecode size since the example on the Contiki-NG wiki requires this.

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• Check if too many relations are inserted.

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• Enhanced LVM error checking.

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• Check element size when parsing tokens.

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Commits on May 4, 2018

• Use a default Coffee file reservation size in Antelope that is selected in relation to the file system size.

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Commits on Oct 13, 2017

• Remove obsolete argument buffer module.

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Commits on Sep 22, 2017

• Various documentation updates, including a modified main page and

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