the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2004-0493

The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.
Publish Date : 2004-08-06 Last Update Date : 2017-10-10
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
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 None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Fixed in Apache HTTP Server 2.0.50:
Source: Apache

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2004-06-28
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
Header parsing memory leak oval:org.apache.httpd:def:20040493
RHSA-2004:342: httpd security update (Important) oval:com.redhat.rhsa:def:2004342 unix
RHSA-2004:342: httpd security update (Important) oval:com.redhat.rhsa:def:20040342 unix
The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memor... oval:org.mitre.oval:def:10605 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-2004-0493

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 2.0.47 Version Details Vulnerabilities
2 Application Apache Http Server 2.0.48 Version Details Vulnerabilities
3 Application Apache Http Server 2.0.49 Version Details Vulnerabilities
4 Hardware Avaya Converged Communications Server 2.0 Version Details Vulnerabilities
5 Hardware Avaya S8300 R2.0.0 Version Details Vulnerabilities
6 Hardware Avaya S8500 R2.0.0 Version Details Vulnerabilities
7 Hardware Avaya S8700 R2.0.0 Version Details Vulnerabilities
8 OS Gentoo Linux 1.4 Version Details Vulnerabilities
9 Application IBM Http Server 2.0.42 Version Details Vulnerabilities
10 Application IBM Http Server Version Details Vulnerabilities
11 Application IBM Http Server Version Details Vulnerabilities
12 Application IBM Http Server 2.0.47 Version Details Vulnerabilities
13 Application IBM Http Server Version Details Vulnerabilities
14 OS Trustix Secure Linux 1.5 Version Details Vulnerabilities
15 OS Trustix Secure Linux 2.0 Version Details Vulnerabilities
16 OS Trustix Secure Linux 2.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 3
Avaya Converged Communications Server 1
Avaya S8300 1
Avaya S8500 1
Avaya S8700 1
Gentoo Linux 1
IBM Http Server 5
Trustix Secure Linux 3

- References For CVE-2004-0493
XF apache-apgetmimeheaderscore-dos(16524)
TRUSTIX 2004-0039
BID 10619 Apache ap_escape_html Memory Allocation Denial Of Service Vulnerability Release Date:2010-08-05
GENTOO GLSA-200407-03
FULLDISC 20040628 DoS in apache httpd 2.0.49, yet still apache much better than windows
BUGTRAQ 20040629 TSSA-2004-012 - apache

- Metasploit Modules Related To CVE-2004-0493

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.