Buffer overflow in Riot-os Riot
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…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (69.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Riot-os Riot — versions <= 2023.01
Weakness classification (CWE)
References
- https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-f6ff-g7mh-58q4 (x_refsource_CONFIRM)
- https://github.com/RIOT-OS/RIOT/pull/19680 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/commit/1aeb90ee5555ae78b567a6365ae4ab71bfd1404b (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L320 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L388 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L463 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L467 (x_refsource_MISC)
- https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L480 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-33975?
- CVE-2023-33975 is a critical-severity vulnerability in Riot-os Riot, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2023-05-30.
- How severe is CVE-2023-33975?
- Critical severity. CVSS v3 base score is 9.8 out of 10.