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

EPSS Probability
16.16%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheHttp Server>= 2.2.0, < 2.2.12
FedoraprojectFedora11
DebianDebian Linux4.0
DebianDebian Linux5.0
DebianDebian Linux6.0
CanonicalUbuntu Linux6.06
CanonicalUbuntu Linux8.04
CanonicalUbuntu Linux8.10
CanonicalUbuntu Linux9.04
RedhatEnterprise Linux Desktop5.0
RedhatEnterprise Linux Eus5.3
RedhatEnterprise Linux Server5.0
RedhatEnterprise Linux Server Aus5.3
RedhatEnterprise Linux Workstation5.0

References

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.

Are you affected by CVE-2009-1890?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST