CVE-2006-0620

QNX Neutrino RTOS 6.2.1 - Local Race Condition via PHFONT and PHOTON2_PATH Environment Variables

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0620. PoCs published by kokanin.

AI-analyzed exploit summary This exploit targets a vulnerability in QNX Photon's phfont binary (CVE-2006-0620) by leveraging environment variable manipulation to execute arbitrary code with elevated privileges. It creates a malicious shared object and uses symbolic linking to trick the system into executing it.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by kokanin · bashlocalqnx
https://www.exploit-db.com/exploits/1479

This exploit targets a vulnerability in QNX Photon's phfont binary (CVE-2006-0620) by leveraging environment variable manipulation to execute arbitrary code with elevated privileges. It creates a malicious shared object and uses symbolic linking to trick the system into executing it.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: QNX Photon phfont binary (QNX 6.2.1)
No auth needed
Prerequisites: Access to a vulnerable QNX system with the phfont binary · Ability to compile and execute code on the target system
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24555
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/0474
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18750
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015599
Various Sources third-party-advisory x_refsource_idefense
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=383
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16539
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/22963

Scores

EPSS 0.0080
EPSS Percentile 51.9%

Details

Status published
Products (3)
qnx/rtos 6.2.1
qnx/rtos 6.2.1a
qnx/rtos 6.2.1b
Published Feb 09, 2006
Tracked Since Feb 18, 2026