NVD Vulnerability Detail

CVE-2012-6084

Summary	modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.
Publication Date	Jan. 2, 2013, 12:55 a.m.
Registration Date	Jan. 28, 2021, 3:07 p.m.
Last Update	Nov. 21, 2024, 10:45 a.m.

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.11:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.10:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc3::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.9:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.0:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.1:::::::*
cpe:2.3:a:ratbox:ircd-ratbox::::::::		3.0.7
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.9:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.4:::::::*

Related information, measures and tools

No	URL	タグ
1	http://openwall.com/lists/oss-security/2013/01/01/4	Patch
2	http://openwall.com/lists/oss-security/2013/01/01/4	Patch
3	http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt
4	http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt
5	http://www.debian.org/security/2013/dsa-2612
6	http://www.debian.org/security/2013/dsa-2612
7	http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2	Patch
8	http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2	Patch
9	http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2	Patch
10	http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2	Patch
11	https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch	Patch
12	https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch	Patch

Common Vulnerabilities List

JVN Vulnerability Information

ircd-ratbox および Charybdis の modules/m_capab.c おけるサービス運用妨害 (DoS) の脆弱性

Title	ircd-ratbox および Charybdis の modules/m_capab.c おけるサービス運用妨害 (DoS) の脆弱性
Summary	(1) ircd-ratbox および (2) Charybdis の modules/m_capab.c は、サーバのハンドシェイク中に、能力のネゴシエーション (capability negotiation) を適切にサポートしないため、サービス運用妨害 (NULL ポインタデリファレンスおよびデーモンクラッシュ) 状態となる脆弱性が存在します。
Possible impacts	第三者により、不正な形式のリクエストを介して、サービス運用妨害 (NULL ポインタデリファレンスおよびデーモンクラッシュ) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Dec. 31, 2012, midnight
Registration Date	Jan. 7, 2013, 11:37 a.m.
Last Update	Jan. 7, 2013, 11:37 a.m.

Affected System

ircd-ratbox

ircd-ratbox 3.0.8 未満

Charybdis

Charybdis 3.4.2 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2012-6084	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6084
National Vulnerability Database (NVD)
2	CVE-2012-6084	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-6084

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
Charybdis
1	charybdis-3.4.2.tbz2	http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2
GitHub
2	[PATCH] m_capab: fix a possible remote crash triggered by the CAPAB parsing code.	https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch
ircd-ratbox
3	ircd-ratbox-3.0.8.tar.bz2	http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2

その他

No	Name	URL
関連文書
1	atheme.org Security Advisory ASA-2012-12-31	http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt

Change Log

No	Changed Details	Date of change
0	[2013年01月07日] 掲載	Feb. 17, 2018, 10:37 a.m.

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.11:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.10:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc3::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.3.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.7:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5.2:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc1::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.4:rc2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.8:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.0:rc2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.2.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.5:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.1.0:beta2::::::
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.6:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.4:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.9:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.2.7.1:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.0:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.1:::::::*
cpe:2.3:a:ratbox:ircd-ratbox::::::::		3.0.7
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.3:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.9:::::::*
cpe:2.3:a:ircd-ratbox:ircd-ratbox:2.0.4:::::::*