National Cyber-Alert System

Vulnerability Summary for CVE-2004-0493

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Apache (07/02/2008)

Fixed in Apache HTTP Server 2.0.50: http://httpd.apache.org/security/vulnerabilities_20.html

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 10619

Type: Advisory; Patch Information

Hyperlink:http://www.securityfocus.com/bid/10619

External Source: XF

Name: apache-apgetmimeheaderscore-dos(16524)

Type: Advisory

Hyperlink:http://xforce.iss.net/xforce/xfdb/16524

External Source: TRUSTIX

Name: 2004-0039

Hyperlink:http://www.trustix.org/errata/2004/0039/

External Source: REDHAT

Name: RHSA-2004:342

Hyperlink:http://www.redhat.com/support/errata/RHSA-2004-342.html

External Source: MISC

Name: http://www.guninski.com/httpd1.html

Hyperlink:http://www.guninski.com/httpd1.html

External Source: CONFIRM

Name: http://www.apacheweek.com/features/security-20

Hyperlink:http://www.apacheweek.com/features/security-20

External Source: GENTOO

Name: GLSA-200407-03

Hyperlink:http://security.gentoo.org/glsa/glsa-200407-03.xml

External Source: HP

Name: SSRT4777

Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=109181600614477&w=2

External Source: FULLDISC

Name: 20040628 DoS in apache httpd 2.0.49, yet still apache much better than windows

Hyperlink:http://lists.grok.org.uk/pipermail/full-disclosure/2004-June/023133.html

External Source: MANDRAKE

Name: MDKSA-2004:064

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2004:064

External Source: BUGTRAQ

Name: 20040629 TSSA-2004-012 - apache

Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=108853066800184&w=2