CVE-1999-0873

Skyfull - Buffer Overflow via MAIL FROM Command

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0873. PoCs published by UNYUN.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Skyfull Mail Server 1.1.4 via the MAIL FROM command. It crafts a malicious payload to achieve remote code execution by overwriting the return address and executing shellcode.

Description

Buffer overflow in Skyfull mail server via MAIL FROM command.

Exploits (1)

exploitdb WORKING POC VERIFIED

by UNYUN · cremotewindows

https://www.exploit-db.com/exploits/19584

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in Skyfull Mail Server 1.1.4 via the MAIL FROM command. It crafts a malicious payload to achieve remote code execution by overwriting the return address and executing shellcode.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Skyfull Mail Server 1.1.4

No auth needed

Prerequisites: Network access to the SMTP port (25) · Vulnerable version of Skyfull Mail Server

MITRE ATT&CK

T1190 - Exploit Public-Facing Application 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/759

Scores

EPSS 0.0472

EPSS Percentile 90.7%

Details

Status published

Products (1)

sky_communications/skyfull 1.1.4

Published Oct 30, 1999

Tracked Since Feb 18, 2026