CVE-2022-30556 - CVE House
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Status published High CVE-2022-30556

Information Disclosure in mod_lua with websockets

Vulnerability Description

Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • The Apache HTTP Server project would like to thank Ronald Crane (Zippenhop LLC) for reporting this issue

References

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache HTTP Server
Vulnerable Versions:
unspecified

Timeline

Official Publish: June 8th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-200

MITRE ATT&CK TTPs

T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1041 Exfiltration Over C2 Channel
Exfiltration