Null httpd Content-Length Header Handling Remote Overflow

High Nessus Plugin ID 11183


The remote service is prone to a heap based buffer overflow.


The NullLogic Null HTTPd web server crashed when sent an invalid POST HTTP request with a negative Content-Length field.

An attacker may exploit this flaw to disable your service or even execute arbitrary code on your system.


Upgrade your NullLogic Null HTTPd to version 0.5.1 or later.

See Also

Plugin Details

Severity: High

ID: 11183

File Name: nullhttpd_content_length.nasl

Version: $Revision: 1.21 $

Type: remote

Family: Web Servers

Published: 2002/12/02

Modified: 2016/10/27

Dependencies: 10582, 10107

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

Required KB Items: Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2002/09/22

Reference Information

CVE: CVE-2002-1496

BID: 5774

OSVDB: 9212