PT-2022-20195 · Litespeed · Litespeed Quic

Published 2022-05-11 · Updated 2022-09-03 · CVE-2022-30592

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LiteSpeed QUIC (aka LSQUIC) versions prior to 3.1.0

Description The issue arises from the mishandling of MAX TABLE CAPACITY in liblsquic/lsquic qenc hdl.c. No information is provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations For versions prior to 3.1.0, update to version 3.1.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the liblsquic/lsquic qenc hdl.c module to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-30592

Affected Products

Litespeed Quic

References · 8

• 🔥 https://github.com/efchatz/HTTP3-attacks · Exploit
• https://github.com/litespeedtech/lsquic/commit/a74702c630e108125e71898398737baec8f02238#diff-73a138506faffe5f1efa8586346ab573c88e9dd2097774ecca5949a718a57cae · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-30592 · Security Note
• https://osv.dev/vulnerability/CVE-2022-30592 · Vendor Advisory
• https://github.com/litespeedtech/lsquic/releases/tag/v3.1.0 · Note
• https://t.me/cvenotify/30072 · Telegram Post
• https://t.me/poxek/2323 · Telegram Post
• https://t.me/cybersecuritytechnologies/6729 · Telegram Post