CVE-1999-0855

FreeBSD - Buffer Overflow in gdc Program

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0855. PoCs published by Brock Tellier.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in gdc (FreeBSD 3.3-RELEASE) via the -t flag, allowing local privilege escalation to root for users in the wheel group. It uses a NOP sled and shellcode to execute arbitrary commands.

Description

Buffer overflow in FreeBSD gdc program.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Brock Tellier · clocalfreebsd

https://www.exploit-db.com/exploits/19649

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in gdc (FreeBSD 3.3-RELEASE) via the -t flag, allowing local privilege escalation to root for users in the wheel group. It uses a NOP sled and shellcode to execute arbitrary commands.

Classification

Working Poc 95%

Attack Type

Lpe

Complexity

Moderate

Reliability

Reliable

Target: gdc (FreeBSD 3.3-RELEASE)

Auth required

Prerequisites: Access to the wheel group · gdc binary setuid root

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution

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/834

Scores

EPSS 0.0078

EPSS Percentile 51.0%

Details

Status published

Products (1)

freebsd/freebsd 3.3

Published Dec 01, 1999

Tracked Since Feb 18, 2026