The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote attackers to cause a denial of service (daemon hang) via unspecified HTTP requests, related to the prefork and event MPMs.
Published 2009-10-13 10:30:00
Updated 2024-02-15 20:46:30
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2009-2699

Top countries where our scanners detected CVE-2009-2699
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-2699 168,766
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-2699!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-2699

29.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-2699

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST 2024-02-15

CWE ids for CVE-2009-2699

  • The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
    Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-2699

  • Apache 2010-01-21
    Clarification 1: This issue only affects Solaris 10 and OpenSolaris. Other versions of Solaris and non-Solaris platforms are not affected. Clarification 2: This issue only affects 2.2.x versions of Apache HTTP Server, APR 1.1 through 1.3.8. APR 0.9.x is not affected.
  • Red Hat 2010-02-23
    This flaw does not affect the version of APR shipped in Red Hat Enterprise Linux. This flaw affected JBoss Enterprise Web Server running on the Solaris platform. Updated httpd packages are available for download from Customer Support Portal: https://support.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=1.0.0

References for CVE-2009-2699

Products affected by CVE-2009-2699

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