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JVN脆弱性詳細

IRCD-Hybrid におけるサービス運用妨害 (クラッシュ) の脆弱性

Title	IRCD-Hybrid におけるサービス運用妨害 (クラッシュ) の脆弱性
Summary	IRCD-Hybrid の hostmask.c の try_parse_v4_netmask 関数は、マスクを適切に検証しないため、サービス運用妨害 (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、負の数を解析する原因となるマスクを介して、サービス運用妨害 (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	Feb. 13, 2013, midnight
Registration Date	Feb. 15, 2013, 4:46 p.m.
Last Update	Feb. 27, 2014, 5:23 p.m.

Affected System

IRCD-Hybrid

IRCD-Hybrid 8.0.6 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-2013-0238	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0238
National Vulnerability Database (NVD)
2	CVE-2013-0238	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0238

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian Bug report logs
1	#699267	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
Debian Security Advisory
2	DSA-2618	http://www.debian.org/security/2013/dsa-2618
ircd-hybrid
3	[hybrid] [coders] ircd-hybrid release notification - ircd-hybrid-8.0.6	http://lists.ircd-hybrid.org/pipermail/hybrid/2013-January/001483.html
レッドハット
4	Bug 905652	https://bugzilla.redhat.com/show_bug.cgi?id=905652

その他

No	Name	URL
関連文書
1	MGASA-2013-0055	https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055

Change Log

No	Changed Details	Date of change
0	[2013年02月15日] 掲載 [2014年02月27日] 対策：内容を更新ベンダ情報：IRCD-Hybrid ([hybrid] [coders] ircd-hybrid release notification - ircd-hybrid-8.0.6) を追加ベンダ情報：レッドハット (Bug 905652) を追加参考情報：関連文書 (MGASA-2013-0055) を追加	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2013-0238

Summary	The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.
Publication Date	Feb. 13, 2013, 10:55 a.m.
Registration Date	Jan. 26, 2021, 3:33 p.m.
Last Update	Nov. 21, 2024, 10:47 a.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.4:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.3:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:rc1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta3::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.2:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid::::::::		8.0.5
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:rc1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta2::::::

Related information, measures and tools

No	URL	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
2	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
3	http://osvdb.org/89623
4	http://osvdb.org/89623
5	http://secunia.com/advisories/51948	Vendor Advisory
6	http://secunia.com/advisories/51948	Vendor Advisory
7	http://secunia.com/advisories/52106	Vendor Advisory
8	http://secunia.com/advisories/52106	Vendor Advisory
9	http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
10	http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
11	http://www.debian.org/security/2013/dsa-2618
12	http://www.debian.org/security/2013/dsa-2618
13	http://www.exploit-db.com/exploits/24951
14	http://www.exploit-db.com/exploits/24951
15	http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
16	http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
17	http://www.openwall.com/lists/oss-security/2013/01/29/8
18	http://www.openwall.com/lists/oss-security/2013/01/29/8
19	http://www.securityfocus.com/bid/57610
20	http://www.securityfocus.com/bid/57610
21	https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
22	https://exchange.xforce.ibmcloud.com/vulnerabilities/81695
23	https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
24	https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.4:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.3:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:rc1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta3::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.2:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid::::::::		8.0.5
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:rc1::::::
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.1:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:::::::*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta2::::::