Apache HTTP Server: mod_proxy prior to 2.4.55 allows a backend to trigger HTTP response splitting
CVE-2022-37436

5.3MEDIUM

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
17 January 2023

What is CVE-2022-37436?

Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.

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Affected Version(s)

Apache HTTP Server 0 < 2.4.55

References

https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory
https://security.gentoo.org/glsa/202309-01

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dimas Fariski Setyawan Putra (@nyxsorcerer)
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