Executive Summary

Summary
Title Charybdis, ShadowIRCd: Denial of Service
Informations
Name GLSA-201405-21 First vendor Publication 2014-05-18
Vendor Gentoo Last vendor Modification 2014-05-18
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability has been found in Charybdis and ShadowIRCd, possibly resulting in remote Denial of Service.

Background

Charybdis is the Atheme Project's IRC daemon based on ratbox.
ShadowIRCd is an IRC daemon based on Charybdis that adds several useful features.

Description

A vulnerability has been discovered in Charybdis and ShadowIRCd. Please review the CVE identifier referenced below for details.

Impact

A remote attacker may be able to cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Charybdis users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/charybdis-3.4.2"

All ShadowIRCd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/shadowircd-6.3.3"

References

[ 1 ] CVE-2012-6084
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6084

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201405-21.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201405-21.xml

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:19367
 
Oval ID: oval:org.mitre.oval:def:19367
Title: DSA-2612-1 ircd-ratbox - programming error
Description: It was discovered that a bug in the server capability negotiation code of ircd-ratbox could result in denial of service.
Family: unix Class: patch
Reference(s): DSA-2612-1
CVE-2012-6084
Version: 5
Platform(s): Debian GNU/Linux 6.0
Debian GNU/kFreeBSD 6.0
Product(s): ircd-ratbox
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:28388
 
Oval ID: oval:org.mitre.oval:def:28388
Title: DSA-2612-2 -- ircd-ratbox -- programming error
Description: It was discovered that a bug in the server capability negotiation code of ircd-ratbox could result in denial of service.
Family: unix Class: patch
Reference(s): DSA-2612-2
CVE-2012-6084
Version: 3
Platform(s): Debian GNU/Linux 6.0
Debian GNU/kFreeBSD 6.0
Product(s): ircd-ratbox
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 51

Nessus® Vulnerability Scanner

Date Description
2014-05-19 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201405-21.nasl - Type : ACT_GATHER_INFO
2013-03-11 Name : The remote chat server is affected by a denial of service vulnerability.
File : ircd_charybdis_capab_dos.nasl - Type : ACT_GATHER_INFO
2013-03-11 Name : The remote chat server is affected by a denial of service vulnerability.
File : ircd_ratbox_capab_dos.nasl - Type : ACT_GATHER_INFO
2013-03-11 Name : The remote chat server is affected by a denial of service vulnerability.
File : ircd_shadowircd_capab_dos.nasl - Type : ACT_GATHER_INFO
2013-01-25 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2612.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2014-05-20 13:23:31
  • Multiple Updates
2014-05-18 21:21:17
  • First insertion