Microsoft Internet Explorer 5.0.1/5.5 SFU Telnet Client privileges management

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 5.0.1/5.5. It has been declared as critical. Affected is an unknown function of the component SFU Telnet Client. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2001-0150. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer 5.0.1/5.5 (Web Browser) and classified as critical. This vulnerability affects some unknown processing of the component SFU Telnet Client. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Internet Explorer 5.5 and earlier executes Telnet sessions using command line arguments that are specified by the web site, which could allow remote attackers to execute arbitrary commands if the IE client is using the Telnet client provided in Services for Unix (SFU) 2.0, which creates session transcripts.

The bug was discovered 11/01/2000. The weakness was presented 03/06/2001 with Microsoft as MS01-015 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2001-0150. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

After 1 weeks, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 484 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS01-015 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (6230), Exploit-DB (20680), SecurityFocus (BID 2463†), OSVDB (7816†) and Vulnerability Center (SBV-800†). See VDB-16706, VDB-16707, VDB-17048 and VDB-17576 for similar entries. Once again VulDB remains the best source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
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Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
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Patch: MS01-015

Timelineinfo

11/08/1999 🔍
11/01/2000 +359 days 🔍
03/06/2001 +125 days 🔍
03/09/2001 +3 days 🔍
03/13/2001 +4 days 🔍
06/02/2001 +81 days 🔍
04/09/2004 +1041 days 🔍
07/04/2014 +3738 days 🔍
03/24/2025 +3916 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-015
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0150 (🔍)
GCVE (CVE): GCVE-0-2001-0150
GCVE (VulDB): GCVE-100-16708
X-Force: 6230 - Microsoft Internet Explorer command execution with Telnet client in SFU
SecurityFocus: 2463 - Microsoft IE Telnet Client File Overwrite Vulnerability
OSVDB: 7816 - Microsoft IE SFU Telnet Client Arbitrary Command Execution
Vulnerability Center: 800

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

Entryinfo

Created: 07/04/2014 11:24
Updated: 03/24/2025 03:51
Changes: 07/04/2014 11:24 (54), 04/07/2017 12:06 (16), 06/10/2024 21:41 (17), 03/24/2025 03:51 (3)
Complete: 🔍
Cache ID: 216::103

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