Sysinternals PsTools 2.04 NetBIOS Share access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Sysinternals PsTools 2.04. This issue affects an unknown code of the component NetBIOS Share Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Sysinternals PsTools before 2.05, including (1) PsExec before 1.54, (2) PsGetsid before 1.41, (3) PsInfo before 1.61, (4) PsKill before 1.03, (5) PsList before 1.26, (6) PsLoglist before 2.51, (7) PsPasswd before 1.21, (8) PsService before 2.12, (9) PsSuspend before 1.05, and (10) PsShutdown before 2.32, does not properly disconnect from remote IPC$ and ADMIN$ shares, which allows local users to access the shares with elevated privileges by using the existing share mapping.

The bug was discovered 07/15/2004. The weakness was disclosed 07/15/2004 by Alan Ridgeway (shutdown) with Computer Associates (Website). It is possible to read the advisory at www3.ca.com. The identification of this vulnerability is CVE-2004-2730 since 10/08/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

Upgrading to version 2.05 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at sysinternals.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at X-Force (16743). secunia.com is providing further details.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

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

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: 🔍
Exploit Delay Time: 🔍

Upgrade: PsTools 2.05
Patch: sysinternals.com

Timelineinfo

07/15/2004 🔍
07/15/2004 +0 days 🔍
07/15/2004 +0 days 🔍
07/19/2004 +4 days 🔍
07/20/2004 +1 days 🔍
07/21/2004 +1 days 🔍
07/26/2004 +4 days 🔍
12/31/2004 +158 days 🔍
10/08/2007 +1011 days 🔍
06/28/2019 +4281 days 🔍

Sourcesinfo

Advisory: www3.ca.com
Researcher: Alan Ridgeway (shutdown)
Organization: Computer Associates
Status: Confirmed

CVE: CVE-2004-2730 (🔍)
X-Force: 16743 - PsTools allows administrative access, High Risk
SecurityTracker: 1010737
SecurityFocus: 10759 - Sysinternals PsTools Remote Unauthorized Access Vulnerability
Secunia: 12108 - Sysinternals PsTools Fail to Disconnect from Shares, Less Critical
OSVDB: 8140 - Sysinternals PsTools Share Mapping Privilege Escalation

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

Entryinfo

Created: 07/26/2004 10:14
Updated: 06/28/2019 22:02
Changes: 07/26/2004 10:14 (79), 06/28/2019 22:02 (4)
Complete: 🔍

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