Netscape Navigator 4.75 HTML Parser Password memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Netscape Navigator 4.75. It has been classified as critical. This affects an unknown function of the component HTML Parser. The manipulation of the argument Password leads to memory corruption. This vulnerability is listed as CVE-2000-1187. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Netscape Navigator 4.75 (Web Browser). It has been rated as critical. This issue affects an unknown code block of the component HTML Parser. The manipulation of the argument Password with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the HTML parser for Netscape 4.75 and earlier allows remote attackers to execute arbitrary commands via a long password value in a form field.

The weakness was presented 11/06/2000 by Michal Zalewski (Website). It is possible to read the advisory at redhat.com. The identification of this vulnerability is CVE-2000-1187. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 283.

The vulnerability is also documented in the databases at X-Force (5542) and OSVDB (7207†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 283
Snort Message: BROWSER-OTHER Netscape 4.7 client overflow
Snort Class: 🔍

Timelineinfo

11/06/2000 🔍
01/09/2001 +64 days 🔍
04/09/2004 +1185 days 🔍
07/02/2014 +3736 days 🔍
05/29/2018 +1427 days 🔍

Sourcesinfo

Vendor: netscape.com

Advisory: redhat.com
Researcher: Michal Zalewski
Status: Not defined

CVE: CVE-2000-1187 (🔍)
GCVE (CVE): GCVE-0-2000-1187
GCVE (VulDB): GCVE-100-16343
X-Force: 5542 - Netscape has a buffer overflow allowing execution of code
OSVDB: 7207 - Netscape HTML Parser Long Password Overflow

Entryinfo

Created: 07/03/2014 00:50
Updated: 05/29/2018 09:17
Changes: 07/03/2014 00:50 (51), 05/29/2018 09:17 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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