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Vulnerability Details : CVE-2003-0189

The authentication module for Apache 2.0.40 through 2.0.45 on Unix does not properly handle threads safely when using the crypt_r or crypt functions, which allows remote attackers to cause a denial of service (failed Basic authentication with valid usernames and passwords) when a threaded MPM is used.
Publish Date : 2003-06-09 Last Update Date : 2008-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Fixed in Apache HTTP Server 2.0.46: http://httpd.apache.org/security/vulnerabilities_20.html
Source: Apache

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat 2003-05-28
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- Related OVAL Definitions

Title Definition Id Class Family
Basic Authentication DoS oval:org.apache.httpd:def:20030189
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2003-0189

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 2.0.40 Version Details Vulnerabilities
2 Application Apache Http Server 2.0.41 Version Details Vulnerabilities
3 Application Apache Http Server 2.0.42 Version Details Vulnerabilities
4 Application Apache Http Server 2.0.43 Version Details Vulnerabilities
5 Application Apache Http Server 2.0.44 Version Details Vulnerabilities
6 Application Apache Http Server 2.0.45 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 6

- References For CVE-2003-0189

http://secunia.com/advisories/8881
SECUNIA 8881
http://xforce.iss.net/xforce/xfdb/12091
XF apache-aprpasswordvalidate-dos(12091)
http://www.securityfocus.com/bid/7725
BID 7725 Apache Basic Authentication Module Valid User Login Denial Of Service Vulnerability Release Date:2009-07-11
http://marc.theaimsgroup.com/?l=bugtraq&m=105418115512559&w=2
BUGTRAQ 20030528 [SECURITY] [ANNOUNCE] Apache 2.0.46 released
http://www.apache.org/dist/httpd/Announcement2.html CONFIRM
http://www.kb.cert.org/vuls/id/479268
CERT-VN VU#479268
http://www.redhat.com/support/errata/RHSA-2003-186.html
REDHAT RHSA-2003:186
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000661
CONECTIVA CLA-2003:661

- Metasploit Modules Related To CVE-2003-0189

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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