CVE-1999-0949

SGI IRIX - Buffer Overflow in Canna Input System canuum Program

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0949. PoCs published by UNYUN.

AI-analyzed exploit summary This exploit targets a buffer overflow in the 'canuum' program (part of the Canna Japanese input system) via unchecked user-supplied data in the -k, -c, or -n options. It leverages the SUID root binary to execute arbitrary code, spawning a root shell via a reverse connection through inetd.

Description

Buffer overflow in canuum program for Canna input system allows local users to gain root privileges.

Exploits (1)

exploitdb WORKING POC VERIFIED
by UNYUN · clocalunix
https://www.exploit-db.com/exploits/19583

This exploit targets a buffer overflow in the 'canuum' program (part of the Canna Japanese input system) via unchecked user-supplied data in the -k, -c, or -n options. It leverages the SUID root binary to execute arbitrary code, spawning a root shell via a reverse connection through inetd.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Canna canuum (versions with buffer overflow in -k,-c,-n options)
No auth needed
Prerequisites: Canna canuum installed SUID root · Ability to execute the binary on the target system
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/757

Scores

EPSS 0.0069
EPSS Percentile 47.8%

Details

Status published
Products (10)
sgi/irix 5.3
sgi/irix 6.2
sgi/irix 6.3
sgi/irix 6.4
sgi/irix 6.5
sun/solaris 2.6
sun/solaris 7.0
sun/sunos
sun/sunos 5.7
turbolinux/turbolinux 4.2
Published Nov 02, 1999
Tracked Since Feb 18, 2026