CVE-2022-41556 - Vulnerability Details - OpenCVE

A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Lighttpd	Lighttpd

Configuration 1 [-]

cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/b18de6f9264f914f7bf493abd3b6059343548e50
https://github.com/lighttpd/lighttpd1.4/compare/lighttpd-1.4.66...lighttpd-1.4.67
https://github.com/lighttpd/lighttpd1.4/pull/115
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVOSBSCMLGCHH2Z74H64ZWVDFJFQTBC2/
https://security.gentoo.org/glsa/202210-12

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-10-06T00:00:00

Updated: 2024-08-03T12:42:46.654Z

Reserved: 2022-09-26T00:00:00

Link: CVE-2022-41556

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-10-06T18:17:03.620

Modified: 2024-11-21T07:23:23.323

Link: CVE-2022-41556

Redhat

No data.

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