Summary
It was discovered that the Apache HTTP Server mod_dav module incorrectly
handled certain If: request headers. A remote attacker could possibly use
this issue to cause the server to crash, resulting in a denial of service.
(CVE-2006-20001)
ZeddYu_Lu discovered that the Apache HTTP Server mod_proxy_ajp module
incorrectly interpreted certain HTTP Requests. A remote attacker could
possibly use this issue to perform an HTTP Request Smuggling attack.
(CVE-2022-36760)
Dimas Fariski Setyawan Putra discovered that the Apache HTTP Server
mod_proxy module incorrectly truncated certain response headers. This may
result in later headers not being interpreted by the client.
(CVE-2022-37436)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | apache2 | 2.4.29-1ubuntu4.26 |
| Ubuntu · 20.04 LTS 20.04:LTS | apache2 | 2.4.41-4ubuntu3.13 |
| Ubuntu · 22.04 LTS 22.04:LTS | apache2 | 2.4.52-1ubuntu4.3 |
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.