CVE Database›CVE-2022-37436

CVE-2022-37436

httpd: mod_proxy: HTTP response splitting

Loading…

Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · January 17, 2023

Updated · September 21, 2026

Description

A flaw was found in the mod_proxy module of httpd. A malicious backend can cause the response headers to be truncated because they are not cleaned when an error is found while reading them, resulting in some headers being incorporated into the response body and not being interpreted by a client.

Statement

This flaw is only exploitable via bad headers generated by a malicious backend or a malicious application.

httpd as shipped in Red Hat Enterprise Linux 7, 8, 9 and in RHSCL is vulnerable to this flaw. httpd as shipped in Red Hat Enterprise Linux 6 is not affected.

This flaw has been rated as having a security impact of moderate, and is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 7. Red Hat Enterprise Linux 7 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. It's recommended to update the affected packages as soon as an update is available.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE-113 · Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')