Microsoft Windows 4.0/2000 RAS Client Phonebook Entry memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows 4.0/2000. This affects an unknown function of the component RAS Client. Such manipulation as part of Phonebook Entry leads to memory corruption. This vulnerability is referenced as CVE-1999-0715. The attack can only be performed from a local environment. Furthermore, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 4.0/2000 (Operating System). It has been rated as problematic. Affected by this issue is some unknown functionality of the component RAS Client. The manipulation as part of a Phonebook Entry 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. CVE summarizes:

Buffer overflow in Remote Access Service (RAS) client allows an attacker to execute commands or cause a denial of service via a malformed phonebook entry.

The weakness was published 05/20/1999 as MS99-016 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-1999-0715. The exploitation is known to be easy. The attack needs to be approached locally. A simple authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Applying the patch MS99-016 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com.

The vulnerability is also documented in the databases at X-Force (2200), Exploit-DB (19211), SecurityFocus (BID 266†) and Vulnerability Center (SBV-2408†). support.microsoft.com is providing further details. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-016

Timelineinfo

05/20/1999 🔍
05/20/1999 +0 days 🔍
05/20/1999 +0 days 🔍
10/13/2003 +1607 days 🔍
06/20/2014 +3903 days 🔍
01/30/2025 +3877 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS99-016
Status: Confirmed

CVE: CVE-1999-0715 (🔍)
GCVE (CVE): GCVE-0-1999-0715
GCVE (VulDB): GCVE-100-14660
X-Force: 2200
SecurityFocus: 266
Vulnerability Center: 2408 - [MS99-016] Buffer Overflow in Windows NT 4.0 Remote Access Service., Medium

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

Entryinfo

Created: 06/21/2014 00:28
Updated: 01/30/2025 13:29
Changes: 06/21/2014 00:28 (61), 04/07/2017 16:02 (1), 01/30/2025 13:29 (24)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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