QNX RTOS 6.2.1/6.2.1a/6.2.1b memory corruption

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.
8.5$0-$5k0.00

A vulnerability, which was classified as critical, was found in QNX RTOS 6.2.1/6.2.1a/6.2.1b (Operating System). This affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Race condition in phfont in QNX Neutrino RTOS 6.2.1 allows local users to execute arbitrary code via unspecified manipulations of the PHFONT and PHOTON2_PATH environment variables.

The bug was discovered 09/29/2004. The weakness was released 02/07/2006 by Knud Hojgaard with iDEFENSE Labs (Website). The advisory is shared at vupen.com. This vulnerability is uniquely identified as CVE-2006-0620 since 02/09/2006. The exploitability is told to be difficult. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by kokanin and been published 16 hours after the advisory. The exploit is shared for download 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 496 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (24555) and Exploit-DB (1479). Entries connected to this vulnerability are available at 27201, 28644, 28643 and 28642.

Productinfo

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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: 9.3
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.3
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: kokanin
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: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/29/2004 🔍
02/07/2006 +496 days 🔍
02/07/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/08/2006 +0 days 🔍
02/09/2006 +0 days 🔍
03/12/2015 +3318 days 🔍
07/18/2018 +1224 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Knud Hojgaard
Organization: iDEFENSE Labs
Status: Confirmed

CVE: CVE-2006-0620 (🔍)
X-Force: 24555 - QNX Neutrino RTOS phfont race condition
SecurityTracker: 1015599
SecurityFocus: 16539 - QNX Multiple Local Privilege Escalation and Denial Of Service Vulnerabilities
Secunia: 18750 - QNX Neutrino RTOS Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 22963 - QNX Neutrino RTOS phfont Path Subversion Privilege Escalation
Vupen: ADV-2006-0474

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

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/18/2018 09:50
Changes: 03/12/2015 11:11 (62), 07/18/2018 09:50 (15)
Complete: 🔍

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