CVE-2000-0584

Debian Linux - Buffer Overflow via Canna SR_INIT Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0584. PoCs published by UNYUN.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in the 'canna' package (version 3.5b2) by sending an overly large username or groupname via the IR_INIT command. It includes shellcode to spawn a reverse shell on port 9999.

Description

Buffer overflow in Canna input system allows remote attackers to execute arbitrary commands via an SR_INIT command with a long user name or group name.

Exploits (1)

exploitdb WORKING POC VERIFIED
by UNYUN · cremotelinux
https://www.exploit-db.com/exploits/20061

This exploit targets a buffer overflow vulnerability in the 'canna' package (version 3.5b2) by sending an overly large username or groupname via the IR_INIT command. It includes shellcode to spawn a reverse shell on port 9999.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: canna 3.5b2
No auth needed
Prerequisites: Network access to the target on port 5680 · Target running vulnerable canna server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1445
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/4912
Various Sources vendor-advisory x_refsource_freebsd
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:31.canna.asc.v1.1

Scores

EPSS 0.0590
EPSS Percentile 92.3%

Details

Status published
Products (2)
debian/debian_linux 2.1
freebsd/freebsd 3.5
Published Jul 02, 2000
Tracked Since Feb 18, 2026