Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: 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. CVE-2022-36760: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.54 and prior versions. CVE-2006-20001: A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
Fixed packages 11
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | httpd | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | httpd-debuginfo | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | httpd-devel | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | httpd-filesystem | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | httpd-manual | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | httpd-tools | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | mod_ldap | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | mod_md | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | mod_proxy_html | 1:2.4.55-1.amzn2 |
| Amazon Linux · 2 | mod_session | 0:2.4.55-1.amzn2 |
| Amazon Linux · 2 | mod_ssl | 1:2.4.55-1.amzn2 |
Vulnerabilities 3
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Critical 9.0
Apache HTTP Server: mod_proxy_ajp Possible request smuggling
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Se…
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Medium 5.3CVE-2022-37436 EPSS 53%
Apache HTTP Server: mod_proxy prior to 2.4.55 allows a backend to trigger HTTP response splitting
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 …
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Unscored —CVE-2006-20001 Public exploit
Apache HTTP Server: mod_dav out of bounds read, or write of zero byte
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.