CVE-2000-0250

QNX - Weak Password Encryption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0250. PoCs published by Sean.

AI-analyzed exploit summary This exploit demonstrates a design flaw in QNX's crypt(3) function, allowing password recovery from hashes due to insufficient obfuscation. The code reverses the weak hashing algorithm by extracting and rotating bits to reconstruct the original password.

Description

The crypt function in QNX uses weak encryption, which allows local users to decrypt passwords.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Sean · clocalqnx
https://www.exploit-db.com/exploits/19851

This exploit demonstrates a design flaw in QNX's crypt(3) function, allowing password recovery from hashes due to insufficient obfuscation. The code reverses the weak hashing algorithm by extracting and rotating bits to reconstruct the original password.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: QNX (versions with vulnerable crypt(3) implementation)
No auth needed
Prerequisites: Access to the password file (e.g., /etc/passwd or /etc/shadow)
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1114
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-04/0072.html

Scores

EPSS 0.0062
EPSS Percentile 45.1%

Details

Status published
Products (1)
qnx/qnx 4.25a
Published Apr 14, 2000
Tracked Since Feb 18, 2026