CVE-1999-0811

Samba - Buffer Overflow via Malformed Message Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0811. PoCs published by Gerald Britton.

AI-analyzed exploit summary This exploit targets a buffer overflow in smbmount from smbfs-2.0.1, leveraging the USER or LOGNAME environment variables to execute arbitrary code as root. The shellcode is designed to survive toupper() filtering and spawns a root shell.

Description

Buffer overflow in Samba smbd program via a malformed message command.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Gerald Britton · clocallinux
https://www.exploit-db.com/exploits/19428

This exploit targets a buffer overflow in smbmount from smbfs-2.0.1, leveraging the USER or LOGNAME environment variables to execute arbitrary code as root. The shellcode is designed to survive toupper() filtering and spawns a root shell.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: smbfs-2.0.1 (smbmount)
No auth needed
Prerequisites: smbmount must be setuid root · attacker must be able to set environment variables
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/536

Scores

EPSS 0.0258
EPSS Percentile 83.3%

Details

Status published
Products (1)
samba/samba 2.0.4
Published Jul 21, 1999
Tracked Since Feb 18, 2026