#VU66731 NULL pointer dereference in LiteSpeed QUIC - CVE-2022-30592
Published: August 24, 2022
Vulnerability identifier: #VU66731
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:P/U:Green
CVE-ID: CVE-2022-30592
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
LiteSpeed QUIC
LiteSpeed QUIC
Software vendor:
LiteSpeed Technologies
LiteSpeed Technologies
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within liblsquic/lsquic_qenc_hdl.c when handling HTTP/3 requests. A remote attacker can send multiple requests to the server and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.