BSDI BSDOS 3.0/3.1/4.0/4.0.1 privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in BSDI BSDOS 3.0/3.1/4.0/4.0.1. It has been classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to privileges management. This vulnerability is traded as CVE-2000-1103. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in BSDI BSDOS 3.0/3.1/4.0/4.0.1 and classified as critical. This issue affects an unknown code block. 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. The summary by CVE is:

rcvtty in BSD 3.0 and 4.0 does not properly drop privileges before executing a script, which allows local attackers to gain privileges by specifying an alternate Trojan horse script on the command line.

The weakness was shared 11/26/2000 by vade79 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2000-1103. The exploitation is known to be easy. Attacking locally is a requirement. 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.

A public exploit has been developed in ANSI C and been published immediately after the advisory. The exploit is available at downloads.securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5587), Exploit-DB (202), SecurityFocus (BID 2009†) and OSVDB (13756†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
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: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
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: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

11/26/2000 🔍
11/26/2000 +0 days 🔍
11/27/2000 +1 days 🔍
01/09/2001 +43 days 🔍
04/09/2004 +1185 days 🔍
07/02/2014 +3736 days 🔍
06/23/2024 +3644 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: vade79
Status: Not defined

CVE: CVE-2000-1103 (🔍)
GCVE (CVE): GCVE-0-2000-1103
GCVE (VulDB): GCVE-100-16259
X-Force: 5587
SecurityFocus: 2009 - rcvtty Arbitrary Command Execution Vulnerability
OSVDB: 13756 - BSD rcvtty Incoming Message Privilege Escalation

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

Entryinfo

Created: 07/02/2014 12:20
Updated: 06/23/2024 08:44
Changes: 07/02/2014 12:20 (61), 06/23/2024 08:44 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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