Improper Handling of MAX_TABLE_CAPACITY in LiteSpeed QUIC by LiteSpeed Technologies
CVE-2022-30592

9.8CRITICAL

Key Information:

Vendor

Litespeedtech

Status
Lsquic
Vendor
CVE Published:
11 May 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-30592?

A vulnerability exists in LiteSpeed QUIC (also known as LSQUIC) that affects versions prior to 3.1.0. The issue is rooted in the improper handling of the MAX_TABLE_CAPACITY parameter in the source file liblsquic/lsquic_qenc_hdl.c. This flaw could potentially lead to unexpected behavior in the application, including impacts on performance and security. The LiteSpeed development team has addressed this vulnerability in the release of version 3.1.0, which includes a fix to ensure proper management of the MAX_TABLE_CAPACITY parameter. Users are encouraged to upgrade to this version to mitigate any risks associated with this vulnerability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

HTTP3-attacks
Created by efchatz

References

https://github.com/litespeedtech/lsquic/releases/tag/v3.1.0
x_refsource_MISC
https://github.com/litespeedtech/lsquic/commit/a74702c630...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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