NCSA Webserver 1.5c memory corruption

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.2$0-$5k0.00

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.

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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

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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: 🔍

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Threat Intelligenceinfoedit

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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 🔍

Sourcesinfoedit

Organization: CERT
Status: Not defined

CVE: CVE-1999-0232 (🔍)
SecurityFocus: 3158 - NCSA HTTPd Buffer Overflow Vulnerability
X-Force: 517
Vulnerability Center: 690 - NCSA HTTPd Buffer Overflow Vulnerability, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfoedit

Created: 06/17/2014 03:40 PM
Updated: 05/08/2019 09:40 AM
Changes: (6) advisory_company_name exploit_availability exploit_publicity exploit_url source_securityfocus_date source_securityfocus_class
Complete: 🔍

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