CVE-2023-33975 (GCVE-0-2023-33975)
Vulnerability from cvelistv5
Published
2023-05-30 17:08
Modified
2025-01-10 16:53
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-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 - Out-of-bounds Write
Summary
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 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. This issue is fixed in pull request 19680. As a workaround, disable support for fragmented IP datagrams.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L320Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L388Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L463Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L467Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L480Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/1aeb90ee5555ae78b567a6365ae4ab71bfd1404bVendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/19680Patch, Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-f6ff-g7mh-58q4Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L320Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L388Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L463Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L467Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L480Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/commit/1aeb90ee5555ae78b567a6365ae4ab71bfd1404bVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/19680Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-f6ff-g7mh-58q4Exploit, Vendor Advisory
Impacted products
Vendor Product Version
RIOT-OS RIOT Version: <= 2023.01
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    }
  }
}


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