CVE-2003-1083

Monit 1.4-4.1 - Remote Code Execution via Long HTTP Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2003-1083. PoCs published by gsicht, Shadowinteger.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in monit <= 4.1, delivering a portbind shellcode (port 31337) via a crafted TCP payload to port 2812. The shellcode is designed for Linux (Mandrake 9.1) and triggers remote code execution.

Description

Stack-based buffer overflow in Monit 1.4 to 4.1 allows remote attackers to execute arbitrary code via a long HTTP request.

Exploits (2)

exploitdb WORKING POC VERIFIED
by gsicht · perlremotelinux
https://www.exploit-db.com/exploits/173

This exploit targets a buffer overflow vulnerability in monit <= 4.1, delivering a portbind shellcode (port 31337) via a crafted TCP payload to port 2812. The shellcode is designed for Linux (Mandrake 9.1) and triggers remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: monit <= 4.1
No auth needed
Prerequisites: Network access to target port 2812 · Vulnerable monit version
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Shadowinteger · perlremotelinux
https://www.exploit-db.com/exploits/23397

This exploit targets a buffer overflow vulnerability in Monit 4.1 and earlier via malformed HTTP requests. It injects shellcode to achieve remote code execution with root privileges, supporting both Linux and BSD systems.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Monit 4.1 (and earlier)
No auth needed
Prerequisites: Network access to Monit HTTP interface · Perl environment with required modules (Math::XOR, IO::Socket::INET)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Various Sources x_refsource_confirm
http://www.tildeslash.com/monit/dist/CHANGES.txt
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/623854
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/13817
Patch vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200403-14.xml
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/9099
Patch third-party-advisory x_refsource_secunia
http://secunia.com/advisories/10280
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/345417

Scores

EPSS 0.2111
EPSS Percentile 97.3%

Details

Status published
Products (17)
tildeslash/monit 1.4
tildeslash/monit 1.4.1
tildeslash/monit 2.0
tildeslash/monit 2.1
tildeslash/monit 2.1.1
tildeslash/monit 2.2
tildeslash/monit 2.2.1
tildeslash/monit 2.3
tildeslash/monit 2.4
tildeslash/monit 2.4.1
... and 7 more
Published Dec 31, 2003
Tracked Since Feb 18, 2026