CVE-2023-24823 (GCVE-0-2023-24823)
Vulnerability from cvelistv5
Published
2023-04-24 15:27
Modified
2025-02-04 18:54
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-787 - Out-of-bounds Write
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Summary
RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2022.10, an attacker can send a crafted frame to the device resulting in a type confusion between IPv6 extension headers and a UDP header. This occurs while encoding a 6LoWPAN IPHC header. The type confusion manifests in an out of bounds write in the packet buffer. The overflow can be used to corrupt other packets and the allocator metadata. Corrupting a pointer will easily lead to denial of service. While carefully manipulating the allocator metadata gives an attacker the possibility to write data to arbitrary locations and thus execute arbitrary code. Version 2022.10 fixes this issue. As a workaround, apply the patches manually.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/18817/commits/4a081f86616cb5c9dd0b5d7b286da03285d1652aPatch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/18820/commits/dafc397fdc3655aeb5c7b9963a43f1604c6a2062Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-jwmv-47p2-hgq2Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/18817/commits/4a081f86616cb5c9dd0b5d7b286da03285d1652aPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/18820/commits/dafc397fdc3655aeb5c7b9963a43f1604c6a2062Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-jwmv-47p2-hgq2Vendor Advisory
Impacted products
Vendor Product Version
RIOT-OS RIOT Version: < 2022.10
 Create a notification for this product.
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