QNX RTOS 4.25/6.1.0 phrafx/phgrafx-startup PATH privileges management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in QNX RTOS 4.25/6.1.0. This vulnerability affects unknown code of the file phrafx/phgrafx-startup. Such manipulation of the argument PATH as part of Environment Variable leads to privileges management. This vulnerability is uniquely identified as CVE-2002-2040. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in QNX RTOS 4.25/6.1.0 (Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the file phrafx/phgrafx-startup. The manipulation of the argument PATH as part of a Environment Variable 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:

The (1) phrafx and (2) phgrafx-startup programs in QNX realtime operating system (RTOS) 4.25 and 6.1.0 do not properly drop privileges before executing the system command, which allows local users to execute arbitrary commands by modifying the PATH environment variable to reference a malicious crttrap program.

The weakness was disclosed 12/31/2002 (Website). The advisory is available at online.securityfocus.com. This vulnerability is handled as CVE-2002-2040 since 07/14/2005. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

A public exploit has been developed in Shell File. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 4.25 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (9257), Exploit-DB (21503) and SecurityFocus (BID 4916†). The entries VDB-19683 and VDB-19684 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RTOS 4.25

Timelineinfo

06/03/2002 🔍
12/31/2002 +211 days 🔍
12/31/2002 +0 days 🔍
07/14/2005 +926 days 🔍
08/05/2014 +3309 days 🔍
11/29/2024 +3769 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Status: Confirmed

CVE: CVE-2002-2040 (🔍)
GCVE (CVE): GCVE-0-2002-2040
GCVE (VulDB): GCVE-100-19682
X-Force: 9257
SecurityFocus: 4916 - QNX RTOS phgrafx-startup Privilege Escalation Vulnerability

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

Entryinfo

Created: 08/05/2014 12:03
Updated: 11/29/2024 06:24
Changes: 08/05/2014 12:03 (49), 06/11/2018 08:35 (11), 07/08/2024 02:14 (17), 11/29/2024 06:24 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!