CVE-2022-36053

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Summary

CVECVE-2022-36053
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-01 12:15:00 UTC
Updated2022-09-07 15:31:00 UTC
DescriptionContiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. The low-power IPv6 network stack of Contiki-NG has a buffer module (os/net/ipv6/uipbuf.c) that processes IPv6 extension headers in incoming data packets. As part of this processing, the function uipbuf_get_next_header casts a pointer to a uip_ext_hdr structure into the packet buffer at different offsets where extension headers are expected to be found, and then reads from this structure. Because of a lack of bounds checking, the casting can be done so that the structure extends beyond the packet's end. Hence, with a carefully crafted packet, it is possible to cause the Contiki-NG system to read data outside the packet buffer. A patch that fixes the vulnerability is included in Contiki-NG 4.8.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Contiki-ng Contiki-ng All All All All

References

ReferenceSourceLinkTags
Out-of-bounds read in the uIP buffer module · Advisory · contiki-ng/contiki-ng · GitHub CONFIRM github.com
uipbuf: Do not assume that there is enough space for a following extension header by nvt · Pull Request #1648 · contiki-ng/contiki-ng · GitHub MISC github.com
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