Vulnerability identifier: #VU75582
Vulnerability risk: Medium
CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-191
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
RIOT-OS
Operating systems & Components /
Operating system
Vendor: RIOT-OS
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer underflow during defragmentation. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
RIOT-OS: 2013.08 - 2022.07
External links
http://github.com/RIOT-OS/RIOT/pull/18820/commits/bd31010231f5340e21410595dd95afc86bbfd341
http://github.com/RIOT-OS/RIOT/pull/18817/commits/9728f727e75d7d78dbfb5918e0de1b938b7b6d2c
http://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2fpr-82xr-p887
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.