Resource exhaustion in Apache Http Server
CVE-2009-1890
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.162 (96.6th percentile) — read the EPSS interpretation.
Affected products
- Apache Http_server
- Canonical Ubuntu_linux — versions 6.06, 8.04, 8.10
- Debian Debian_linux — versions 4.0, 5.0, 6.0
- Fedoraproject Fedora — versions 11
- Redhat Enterprise_linux_desktop — versions 5.0
- Redhat Enterprise_linux_eus — versions 5.3
- Redhat Enterprise_linux_server — versions 5.0
- Redhat Enterprise_linux_server_aus — versions 5.3
- Redhat Enterprise_linux_workstation — versions 5.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_AIXAPAR)
- secalert@redhat.com (x_refsource_OSVDB, vdb-entry, Broken Link)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_AIXAPAR)
- secalert@redhat.com (signature, x_refsource_OVAL, Third Party Advisory, vdb-entry)
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA, Broken Link)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Not Applicable, third-party-advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
Frequently asked questions
- What is CVE-2009-1890?
- CVE-2009-1890 is a vulnerability in Apache Http Server, classified under Uncontrolled Resource Consumption. Published 2009-07-05.
- Is CVE-2009-1890 known to be exploited?
- 22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.