Summaryinfo

A vulnerability marked as critical has been reported in Apache HTTP Server 1.1.1. Affected is an unknown function of the component Cookie Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-1999-0071. It is possible to initiate the attack remotely. There is no exploit available. This vulnerability has a historic impact because of its background and how it was received. It is suggested to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Apache HTTP Server 1.1.1 (Web Server). Affected by this vulnerability is an unknown code of the component Cookie Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

apache httpd cookie buffer overflow for versions 1.1.1 and earlier.

The weakness was shared 09/01/1997. This vulnerability is known as CVE-1999-0071. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/28/2025). Due to its background and reception, this vulnerability has a historic impact.

The vulnerability scanner Nessus provides a plugin with the ID 11077 (Web Server HTTP Cookie Header Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86624 (Apache mod_cookies Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (331), Tenable (11077) and Vulnerability Center (SBV-577†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Web Server

Vendor

• Apache

Name

• HTTP Server

Version

• 1.1.1

License

• open-source

Support

• end of life (old version)

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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