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Vulnerability Details : 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 category: Denial of service
Published 2009-07-05 16:30:00
Updated 2023-02-13 02:20:14
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2009-1890

Probability of exploitation activity in the next 30 days: 1.65%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-1890

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.1
 HIGH AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
 [email protected]

CWE ids for CVE-2009-1890

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: [email protected] (Primary)

References for CVE-2009-1890

Products affected by CVE-2009-1890

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