#VU77912 Resource management error in Apache HTTP Server - CVE-2007-6750

Vulnerability identifier: #VU77912

Vulnerability risk: Medium

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2007-6750

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache HTTP Server
Server applications / Web servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the web server when handling HTTP requests, related to mod_reqtimeout module. A remote attacker can pass specially crafted requests to the web server and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache HTTP Server: 1.3 - 2.2.14

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External links
https://archives.neohapsis.com/archives/bugtraq/2007-01/0229.html
https://ha.ckers.org/slowloris/
https://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html
https://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html
https://marc.info/?l=bugtraq&m=136612293908376&w=2
https://www.securityfocus.com/bid/21865
https://www.securitytracker.com/id/1038144
https://exchange.xforce.ibmcloud.com/vulnerabilities/72345
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19481

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.