VDB-13696 · CVE-1999-0232 · BID 3158

NCSA Webserver 1.5c memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.2	$0-$5k	0.00

A vulnerability was found in NCSA Webserver 1.5c (Web Server). It has been declared as very critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

buffer overflow in ncsa webserver (version 1.5c) gives remote access.

The weakness was released 02/01/1995 with CERT. This vulnerability was named CVE-1999-0232. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/08/2019).

A public exploit has been developed in ANSI C. It is declared as proof-of-concept. It is possible to download the exploit at securityfocus.com.

Proper firewalling of Web Server Port is able to address this issue.

The vulnerability is also documented in the databases at SecurityFocus (BID 3158), X-Force (517) and Vulnerability Center (SBV-690). Entry connected to this vulnerability is available at 13697.

Productinfoedit

Type

Web Server

Vendor

NCSA

Name

Webserver

CPE 2.3infoedit

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CPE 2.2infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.2

VulDB Base Score: 10.0
VulDB Temp Score: 9.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Predictions: 🔍
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Countermeasuresinfoedit

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍
ISS Proventia IPS: 🔍

Timelineinfoedit

02/01/1995 🔍
02/01/1995 +0 days 🔍
02/17/1995 +16 days 🔍
09/23/1997 +949 days 🔍
01/22/2003 +1947 days 🔍
06/17/2014 +4164 days 🔍
08/11/2017 +1151 days 🔍
05/08/2019 +635 days 🔍