CVE-2005-1523

GNU Mailutils < 0.6.90 - Remote Code Execution via IMAP Command Tag Format String

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-1523. PoCs published by CoKi.

AI-analyzed exploit summary This exploit targets a format string vulnerability in GNU Mailutils imap4d v0.6, allowing remote code execution via a crafted payload. It includes both port-binding and connect-back shellcode for post-exploitation.

Description

Format string vulnerability in imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via format string specifiers in the command tag for IMAP commands.

Exploits (1)

exploitdb WORKING POC VERIFIED
by CoKi · cremotelinux
https://www.exploit-db.com/exploits/1123

This exploit targets a format string vulnerability in GNU Mailutils imap4d v0.6, allowing remote code execution via a crafted payload. It includes both port-binding and connect-back shellcode for post-exploitation.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: GNU Mailutils imap4d v0.6
No auth needed
Prerequisites: Network access to target IMAP service (port 143 by default) · Vulnerable version of GNU Mailutils imap4d
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1014052
Patch third-party-advisory x_refsource_idefense
http://www.idefense.com/application/poi/display?id=246&type=vulnerabilities
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/15442
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2005/dsa-732
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/13764

Scores

EPSS 0.0978
EPSS Percentile 94.9%

Details

Status published
Products (2)
gnu/mailutils 0.5
gnu/mailutils 0.6
Published May 26, 2005
Tracked Since Feb 18, 2026