Microsoft Windows NT 3.5/4.0 RSH Service Utility .rhosts privileges management

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

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows NT 3.5/4.0. This affects an unknown function of the file .rhosts of the component RSH Service Utility. Such manipulation leads to privileges management. This vulnerability is listed as CVE-1999-1455. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Microsoft Windows NT 3.5/4.0 (Operating System) and classified as critical. Affected by this issue is an unknown code block of the file .rhosts of the component RSH Service Utility. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

RSH service utility RSHSVC in Windows NT 3.5 through 4.0 does not properly restrict access as specified in the .Rhosts file when a user comes from an authorized host, which could allow unauthorized users to access the service by logging in from an authorized host.

The weakness was presented 12/31/1999 as confirmed knowledge base article (Website). The advisory is shared for download at support.microsoft.com. This vulnerability is handled as CVE-1999-1455. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (7422). See VDB-15187 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: Privileges management
CWE: CWE-269 / CWE-266
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: 🔍

Timelineinfo

12/31/1999 🔍
12/31/1999 +0 days 🔍
06/23/2014 +5288 days 🔍
04/05/2019 +1747 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: support.microsoft.com
Status: Confirmed

CVE: CVE-1999-1455 (🔍)
GCVE (CVE): GCVE-0-1999-1455
GCVE (VulDB): GCVE-100-15188
X-Force: 7422 - Microsoft Windows NT RSHSVC does not properly validate users

See also: 🔍

Entryinfo

Created: 06/23/2014 13:03
Updated: 04/05/2019 12:00
Changes: 06/23/2014 13:03 (42), 04/05/2019 12:00 (12)
Complete: 🔍
Cache ID: 216:AE6:103

Once again VulDB remains the best source for vulnerability data.

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