CVE-2009-1890
High
Description
The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Apache Http Server
PublishedJul 5, 2009
First seenJul 5, 2009
How to fix
Update
- apache http_server2.2.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache http_server | 2.2.0 ≤ v < 2.2.12 | 2.2.12 |
| fedoraproject fedora | 11 | — |
| debian debian_linux | 4.0, 5.0, 6.0 | — |
| canonical ubuntu_linux | 6.06, 8.04, 8.10, 9.04 | — |
| redhat enterprise_linux_desktop | 5.0 | — |
| redhat enterprise_linux_eus | 5.3 | — |
| redhat enterprise_linux_server | 5.0 | — |
| redhat enterprise_linux_server_aus | 5.3 | — |
| redhat enterprise_linux_workstation | 5.0 | — |
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