NULL pointer dereference in Riot-os Riot
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. D…
EPSS: 0.015 (81.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Riot-os Riot — versions <= 2023.01
Weakness classification (CWE)
References
- https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-r2pv-3jqc-vh7w (x_refsource_CONFIRM)
- https://github.com/RIOT-OS/RIOT/pull/19678 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/commit/c9d7863e5664a169035038628029bb07e090c5ff (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1067 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1495 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1511 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1644 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1655 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-33973?
- CVE-2023-33973 is a high-severity vulnerability in Riot-os Riot, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-05-30.
- How severe is CVE-2023-33973?
- High severity. CVSS v3 base score is 7.5 out of 10.