RIOT-OS vulnerable to Null Pointer dereference during IPHC encoding
CVE-2023-24822

7.5HIGH

Key Information:

Vendor

Riot-os

Status
Riot
Vendor
CVE Published:
24 April 2023

What is CVE-2023-24822?

RIOT-OS, a specialized operating system for Internet of Things devices, has a vulnerability in its network stack that can be exploited by attackers. Specifically, this issue arises when processing crafted 6LoWPAN frames, which may lead to a NULL pointer dereference during the encoding of the 6LoWPAN IPHC header. As a result, this vulnerability can initiate a hard fault exception, ultimately causing a denial of service condition. Users are advised to upgrade to version 2022.10, where this issue is resolved, or implement manual patches as a temporary solution.

Affected Version(s)

RIOT < 2022.10

References

https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-...
x_refsource_CONFIRM
https://github.com/RIOT-OS/RIOT/pull/18817/commits/639c04...
x_refsource_MISC
https://github.com/RIOT-OS/RIOT/pull/18820/commits/7253e2...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.