CVE-2022-36052

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. The 6LoWPAN implementation in Contiki-NG may cast a UDP header structure at a certain offset in a packet buffer. The code does not check whether the packet buffer is large enough to fit a full UDP heade...

CVE-2022-36054

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. The 6LoWPAN implementation in the Contiki-NG operating system file os/net/ipv6/sicslowpan.c contains an input function that processes incoming packets and copies them into a packet buffer. Because of a...

CVE-2021-21280

Contiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versions of Contiki-NG prior to 4.6 when transmitting a 6LoWPAN packet with a chain of extension headers. Unfortunately, the written header is not checke...

CVE-2021-21410

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An out-of-bounds read can be triggered by 6LoWPAN packets sent to devices running Contiki-NG 4.6 and prior. The IPv6 header decompression function uncompresshdriphc does not perform proper boundary chec...

CVE-2020-22284

A buffer overflow vulnerability in the zepiflinkoutput function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet...

CVE-2021-46901

examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR aka 6lbr 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network...

Stack overflow

examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR aka 6lbr 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network...

CVE-2021-46901

CVE-2021-46901 affects CETIC-6LBR (aka 6lbr) 1.5.0 in the examples/6lbr/apps/6lbr-webserver/httpd.c component. The issue is a strcat-based stack overflow triggered by requests for long URLs over a 6LoWPAN network. Connected sources corroborate a buffer overflow in httpd.c; no exploitation details...

CVE-2021-46901

examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR aka 6lbr 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network...

CVE-2023-33975

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used...

Design/Logic Flaw

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used...

CVE-2023-33973

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. During encoding of the packet a NULL pointer dereference...

Null pointer dereference

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. During encoding of the packet a NULL pointer dereference...

Race condition

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send multiple crafted frames to the device to trigger a race condition. The race condition invalidates assumptions...

CVE-2023-33975 RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used...

CVE-2023-33975 RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used...

CVE-2023-33975

RIOT-OS 6LoWPAN network stack vulnerability: in 2023.01 and earlier, an attacker can send a crafted frame causing an out-of-bounds write in the packet buffer, potentially corrupting packets and allocator metadata, leading to denial of service or arbitrary code execution if allocator metadata is m...

CVE-2023-33974

RIOT-OS vulnerability CVE-2023-33974 affects the 6LoWPAN frame handling in RIOT-OS before 2023.01. A race condition can be triggered by multiple crafted frames sent to the device, causing an invalid memory access and resulting in a denial of service. The issue is mitigated by the patch in pull re...

CVE-2023-33974 RIOT-OS vulnerable to Race Condition in SFR Timeout

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send multiple crafted frames to the device to trigger a race condition. The race condition invalidates assumptions...

CVE-2023-33973 RIOT-OS vulnerable to NULL pointer dereference during NHC encoding

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. During encoding of the packet a NULL pointer dereference...