CVE-2000-0438

Caldera OpenLinux - Buffer Overflow in fdmount via Long Mountpoint Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2000-0438. PoCs published by WaR, Scrippie, Paulo Ribeiro.

AI-analyzed exploit summary This exploit targets a buffer overflow in fdmount 0.8, allowing members of the 'floppy' group to execute arbitrary commands as root. It uses a shellcode payload and adjusts the return address via an offset argument.

Description

Buffer overflow in fdmount on Linux systems allows local users in the "floppy" group to execute arbitrary commands via a long mountpoint parameter.

Exploits (3)

exploitdb WORKING POC VERIFIED
by WaR · clocallinux
https://www.exploit-db.com/exploits/19954

This exploit targets a buffer overflow in fdmount 0.8, allowing members of the 'floppy' group to execute arbitrary commands as root. It uses a shellcode payload and adjusts the return address via an offset argument.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: fdmount 0.8
Auth required
Prerequisites: Membership in the 'floppy' group · fdmount binary with setuid bit set
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Scrippie · clocallinux
https://www.exploit-db.com/exploits/19953

This exploit targets a buffer overflow in fdmount (CVE-2000-0438), allowing users in the 'floppy' group to execute arbitrary commands as root. It uses a classic stack-based overflow with NOP sleds and shellcode to spawn a root shell.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: fdmount 0.8 (fdutils package)
Auth required
Prerequisites: User must be in the 'floppy' group · fdmount must be setuid root
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Paulo Ribeiro · clocallinux
https://www.exploit-db.com/exploits/19952

This exploit leverages a buffer overflow in fdmount 0.8 to execute arbitrary shellcode as root. It targets the mount point parameter, requiring the attacker to be in the 'floppy' group.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: fdmount 0.8
Auth required
Prerequisites: Membership in the 'floppy' group · fdmount 0.8 with setuid bit set
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1239
Third Party Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-05/0245.html

Scores

EPSS 0.0108
EPSS Percentile 60.6%

Details

Status published
Products (24)
caldera/openlinux 7.0
slackware/slackware_linux 3.3
slackware/slackware_linux 3.4
slackware/slackware_linux 3.5
slackware/slackware_linux 3.6
slackware/slackware_linux 3.9
slackware/slackware_linux 4.0
suse/suse_linux 4.2
suse/suse_linux 4.3
suse/suse_linux 4.4
... and 14 more
Published May 22, 2000
Tracked Since Feb 18, 2026