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Vulnerability Details : CVE-2003-0993

mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.
Publish Date : 2004-03-29 Last Update Date : 2008-09-10
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 User
Vulnerability Type(s) Bypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Fixed in Apach HTTP Server 1.3.31: http://httpd.apache.org/security/vulnerabilities_13.html
Source: Apache

- Related OVAL Definitions

Title Definition Id Class Family
Allow/Deny parsing on big-endian 64-bit platforms oval:org.apache.httpd:def:20030993
Apache Allow/Deny Parsing Error oval:org.mitre.oval:def:100111 unix
Apache Mod_Access Access Control Rule Bypass Vulnerability oval:org.mitre.oval:def:4670 unix
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-2003-0993

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 1.3 Version Details Vulnerabilities
2 Application Apache Http Server 1.3.1 Version Details Vulnerabilities
3 Application Apache Http Server 1.3.3 Version Details Vulnerabilities
4 Application Apache Http Server 1.3.4 Version Details Vulnerabilities
5 Application Apache Http Server 1.3.6 Version Details Vulnerabilities
6 Application Apache Http Server 1.3.7 DEV Version Details Vulnerabilities
7 Application Apache Http Server 1.3.9 Version Details Vulnerabilities
8 Application Apache Http Server 1.3.11 Version Details Vulnerabilities
9 Application Apache Http Server 1.3.12 Version Details Vulnerabilities
10 Application Apache Http Server 1.3.14 Version Details Vulnerabilities
11 Application Apache Http Server 1.3.17 Version Details Vulnerabilities
12 Application Apache Http Server 1.3.18 Version Details Vulnerabilities
13 Application Apache Http Server 1.3.19 Version Details Vulnerabilities
14 Application Apache Http Server 1.3.20 Version Details Vulnerabilities
15 Application Apache Http Server 1.3.22 Version Details Vulnerabilities
16 Application Apache Http Server 1.3.23 Version Details Vulnerabilities
17 Application Apache Http Server 1.3.24 Version Details Vulnerabilities
18 Application Apache Http Server 1.3.25 Version Details Vulnerabilities
19 Application Apache Http Server 1.3.26 Version Details Vulnerabilities
20 Application Apache Http Server 1.3.27 Version Details Vulnerabilities
21 Application Apache Http Server 1.3.28 Version Details Vulnerabilities
22 Application Apache Http Server 1.3.29 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 22

- References For CVE-2003-0993

http://issues.apache.org/bugzilla/show_bug.cgi?id=23850 CONFIRM
http://marc.theaimsgroup.com/?l=apache-cvs&m=107869603013722
MLIST [apache-cvs] 20040307 cvs commit: apache-1.3/src/modules/standard mod_access.c
http://security.gentoo.org/glsa/glsa-200405-22.xml
GENTOO GLSA-200405-22
http://marc.theaimsgroup.com/?l=bugtraq&m=108437852004207&w=2
BUGTRAQ 20040512 [OpenPKG-SA-2004.021] OpenPKG Security Advisory (apache)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101555-1
SUNALERT 101555
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101841-1
SUNALERT 101841
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57628-1
SUNALERT 57628
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.529643
SLACKWARE SSA:2004-133
http://www.trustix.org/errata/2004/0027
TRUSTIX 2004-0027
http://www.apacheweek.com/features/security-13 CONFIRM
http://www.securityfocus.com/bid/9829
BID 9829 Apache Mod_Access Access Control Rule Bypass Vulnerability Release Date:2009-07-12
http://xforce.iss.net/xforce/xfdb/15422
XF apache-modaccess-obtain-information(15422)
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2004:046
MANDRAKE MDKSA-2004:046

- Metasploit Modules Related To CVE-2003-0993

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


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