IRSSI Remote Denial of Service Vulnerability

BID:9201

Info

IRSSI Remote Denial of Service Vulnerability

Bugtraq ID: 9201
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Dec 11 2003 12:00AM
Updated: Dec 11 2003 12:00AM
Credit: Discovery has been credited to Rico Gloeckner.
Vulnerable: Mandriva Linux Mandrake 9.2 amd64
Mandriva Linux Mandrake 9.2
Mandriva Linux Mandrake 9.1 ppc
Mandriva Linux Mandrake 9.1
irssi irssi 0.8.8
irssi irssi 0.8.7
irssi irssi 0.8.6
irssi irssi 0.8.5
irssi irssi 0.8.4
- Debian Linux 2.2 sparc
 - Debian Linux 2.2 powerpc
 - Debian Linux 2.2 IA-32
 - Debian Linux 2.2 arm
 - Debian Linux 2.2 alpha
 - Debian Linux 2.2 68k
 - Mandriva Linux Mandrake 8.2
- Mandriva Linux Mandrake 8.1 ia64
 - Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
 - Mandriva Linux Mandrake 8.0
- Redhat Linux 7.3 i386
 - Redhat Linux 7.2 ia64
 - Redhat Linux 7.2 i386
 - Redhat Linux 7.1 i386
 - SuSE Linux 8.0 i386
 - SuSE Linux 7.3 i386
 - SuSE Linux 7.2 i386
Not Vulnerable: irssi irssi 0.8.9

Discussion

IRSSI Remote Denial of Service Vulnerability

A remote denial of service vulnerability has been discovered in IRSSI that could allow a person to crash an IRSSI client process. The problem occurs due to an erroneously formatted call to an internal function that could allow a malicious user to trigger an unexpected condition. It is said that this condition may only occur under two specific circumstances; either the program is running on an enforced word alignment architecture or a specific signal is being used by running scripts.

Exploit / POC

IRSSI Remote Denial of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

IRSSI Remote Denial of Service Vulnerability

Solution:
This issue was addressed in IRSSI 0.8.9, users are advised to upgrade as soon as possible.

Mandrake Linux have released an advisory (MDKSA-2003:117) and fixes to address this issue. Users are advised to apply fixes as soon as possible, further details regarding obtaining and applying relevant fixes can be found in the referenced advisory.


irssi irssi 0.8.4

irssi irssi 0.8.5

irssi irssi 0.8.6

irssi irssi 0.8.7

irssi irssi 0.8.8

Mandriva Linux Mandrake 9.1

Mandriva Linux Mandrake 9.1 ppc

Mandriva Linux Mandrake 9.2 amd64

Mandriva Linux Mandrake 9.2

References

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