Infinite loop in OpenWrt - #VU50245
Published: February 2, 2021
Vulnerability identifier: #VU50245
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: N/A
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing IPv6 packets on point-to-point links in netifd and odhcp6c packages. A remote attacker can send a specially crafted packet and and cause denial of service conditions.
Affected software
OpenWrt
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.