CVE-2023-24825 RIOT-OS vulnerable to NULL pointer dereference in gnrc_pktbuf_mark

What is CVE-2023-24825?

CVE-2023-24825 is a high-severity vulnerability in RIOT-OS RIOT, published on 30 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.

Weakness: CWE-476, CWE-252

Which versions are affected by CVE-2023-24825?

It affects 1 product.

Products include Riot-Os Riot.

How do I fix CVE-2023-24825?

No fix has been published for CVE-2023-24825 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-24825 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-24825 exists.

Other vulnerabilities in RIOT-OS RIOT

• CVE-2024-32017 Buffer overflows in RIOT Critical 9.8
• CVE-2023-33975 RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add Critical 9.8
• CVE-2023-24819 RIOT-OS vulnerable to Buffer Overflow during IPHC receive Critical 9.8
• CVE-2023-24823 RIOT-OS vulnerable to Packet Type Confusion during IPHC send Critical 9.8
• CVE-2021-27357 Memory corruption in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xqm8-xj74-fjw2.