CVE-2009-1890
UnknownEPSS 16.16%
Last modified
CVE-2009-1890 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 16.16% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.2.0, < 2.2.12 |
| Fedoraproject | Fedora | 11 |
| Debian | Debian Linux | 4.0 |
| Debian | Debian Linux | 5.0 |
| Debian | Debian Linux | 6.0 |
| Canonical | Ubuntu Linux | 6.06 |
| Canonical | Ubuntu Linux | 8.04 |
| Canonical | Ubuntu Linux | 8.10 |
| Canonical | Ubuntu Linux | 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 |
References
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlBroken Link, Mailing List
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=129190899612998&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://osvdb.org/55553Broken Link
- http://secunia.com/advisories/35691Not Applicable, Vendor Advisory
- http://secunia.com/advisories/35721Not Applicable
- http://secunia.com/advisories/35793Not Applicable
- http://secunia.com/advisories/35865Not Applicable
- http://secunia.com/advisories/37152Not Applicable, Vendor Advisory
- http://secunia.com/advisories/37221Not Applicable, Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200907-04.xmlThird Party Advisory
- http://support.apple.com/kb/HT3937Broken Link
- http://svn.apache.org/viewvc?view=rev&revision=790587Vendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK91259Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK99480Third Party Advisory
- http://www.debian.org/security/2009/dsa-1834Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-1156.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/507852/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/507857/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/35565Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022509Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-802-1Third Party Advisory
- http://www.vupen.com/english/advisories/2009/3184Permissions Required, Vendor Advisory
- https://rhn.redhat.com/errata/RHSA-2009-1148.htmlThird Party Advisory
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlBroken Link, Mailing List
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=129190899612998&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://osvdb.org/55553Broken Link
- http://secunia.com/advisories/35691Not Applicable, Vendor Advisory
- http://secunia.com/advisories/35721Not Applicable
- http://secunia.com/advisories/35793Not Applicable
- http://secunia.com/advisories/35865Not Applicable
- http://secunia.com/advisories/37152Not Applicable, Vendor Advisory
- http://secunia.com/advisories/37221Not Applicable, Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200907-04.xmlThird Party Advisory
- http://support.apple.com/kb/HT3937Broken Link
- http://svn.apache.org/viewvc?view=rev&revision=790587Vendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK91259Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK99480Third Party Advisory
- http://www.debian.org/security/2009/dsa-1834Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-1156.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/507852/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/507857/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/35565Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022509Broken Link, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-802-1Third Party Advisory
- http://www.vupen.com/english/advisories/2009/3184Permissions Required, Vendor Advisory
- https://rhn.redhat.com/errata/RHSA-2009-1148.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2009-1890?
Severity scoring for CVE-2009-1890 is pending analysis. The EPSS model estimates a 16.16% probability of exploitation in the next 30 days.
How do I fix CVE-2009-1890?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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