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JVN脆弱性詳細

Ruby の BigDecimal ライブラリにおけるサービス運用妨害 (DoS) の脆弱性

Title	Ruby の BigDecimal ライブラリにおけるサービス運用妨害 (DoS) の脆弱性
Summary	Ruby の BigDecimal ライブラリには、大きな数を表す文字列の引数処理に不備があるため、サービス運用妨害 (DoS) 状態となる脆弱性が存在します。
Possible impacts	第三者により、サービス運用妨害 (DoS) 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	June 9, 2009, midnight
Registration Date	Aug. 14, 2009, 11:04 a.m.
Last Update	April 26, 2010, 4:46 p.m.

CVSS2.0 : 警告
Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected System

レッドハット

Red Hat Enterprise Linux 4 (as)

Red Hat Enterprise Linux 4 (es)

Red Hat Enterprise Linux 4 (ws)

Red Hat Enterprise Linux 4.8 (as)

Red Hat Enterprise Linux 4.8 (es)

Red Hat Enterprise Linux 5 (server)

Red Hat Enterprise Linux Desktop 4.0

Red Hat Enterprise Linux Desktop 5.0 (client)

Red Hat Enterprise Linux EUS 5.3.z (server)

RHEL Desktop Workstation 5 (client)

サイバートラスト株式会社

Asianux Server 3 (x86)

Asianux Server 3 (x86-64)

Asianux Server 4.0

Asianux Server 4.0 (x86-64)

アップル

Apple Mac OS X v10.5.8

Apple Mac OS X v10.6 から v10.6.2

Apple Mac OS X Server v10.5.8

Apple Mac OS X Server v10.6 から v10.6.2

Ruby-lang.org

Ruby 1.8.6 p369 未満

Ruby 1.8.7 p173 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-2009-1904	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1904
National Vulnerability Database (NVD)
2	CVE-2009-1904	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-1904

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-189	https://jvndb.jvn.jp/ja/cwe/CWE-189.html

ベンダー情報

No	Name	URL
Apple Security Updates
1	HT4077	http://support.apple.com/kb/HT4077
Apple セキュリティアップデート
2	HT4077	http://support.apple.com/kb/HT4077?viewlocale=ja_JP
Asianux Technical Support Network
3	ruby-1.8.5-5.7.1AXS3	https://tsn.miraclelinux.com/tsn_local/index.php?m=errata&a=detail&eid=452
MIRACLE LINUX アップデート情報
4	1746	http://www.miraclelinux.com/support/index.php?q=node/99&errata_id=1746
Red Hat Security Advisory
5	RHSA-2009:1140	https://rhn.redhat.com/errata/RHSA-2009-1140.html
オブジェクト指向言語Ruby
6	BigDecimal の DoS 脆弱性	http://www.ruby-lang.org/ja/news/2009/06/10/dos-vulnerability-in-bigdecimal/
7	DoS vulnerability in BigDecimal	http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/
レッドハットセキュリティーアップデート
8	RHSA-2009:1140	https://www.jp.redhat.com/support/errata/RHSA/RHSA-2009-1140J.html

その他

No	Name	URL
ISS X-Force Database
1	51032	http://xforce.iss.net/xforce/xfdb/51032
OPEN SOURCE VULNERABILITY DATABASE (OSVDB)
2	55031	http://osvdb.org/55031
Secunia Advisory
3	SA35399	http://secunia.com/advisories/35399
4	SA35699	http://secunia.com/advisories/35699
SecurityFocus
5	35278	http://www.securityfocus.com/bid/35278
SecurityTracker
6	1022371	http://www.securitytracker.com/id?1022371
VUPEN Security
7	VUPEN/ADV-2009-1563	http://www.vupen.com/english/advisories/2009/1563

Change Log

No	Changed Details	Date of change
0	[2009年08月14日] 掲載 [2010年04月26日] 影響を受けるシステム：アップル (HT4077) の情報を追加ベンダ情報：アップル (HT4077) を追加	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2009-1904

Summary	The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.
Publication Date	June 12, 2009, 6:30 a.m.
Registration Date	Jan. 29, 2021, 1:19 p.m.
Last Update	Sept. 29, 2017, 10:34 a.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:ruby-lang:ruby:1.8.6:::::::*
cpe:2.3:a:ruby-lang:ruby:1.8.7:::::::*

Related information, measures and tools

No	URL	refsource	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689	CONFIRM	Patch
2	http://bugs.gentoo.org/show_bug.cgi?id=273213	CONFIRM
3	http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master	CONFIRM	Patch
4	http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source	MLIST
5	http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html	APPLE
6	http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html	MLIST
7	http://osvdb.org/55031	OSVDB
8	http://redmine.ruby-lang.org/issues/show/794	CONFIRM	Exploit Patch
9	http://secunia.com/advisories/35399	SECUNIA	Vendor Advisory
10	http://secunia.com/advisories/35527	SECUNIA
11	http://secunia.com/advisories/35593	SECUNIA
12	http://secunia.com/advisories/35699	SECUNIA
13	http://secunia.com/advisories/35937	SECUNIA
14	http://secunia.com/advisories/37705	SECUNIA
15	http://security.gentoo.org/glsa/glsa-200906-02.xml	GENTOO
16	http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805	SLACKWARE
17	http://support.apple.com/kb/HT4077	CONFIRM
18	http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/	CONFIRM	Patch
19	http://www.mandriva.com/security/advisories?name=MDVSA-2009:160	MANDRIVA
20	http://www.redhat.com/support/errata/RHSA-2009-1140.html	REDHAT
21	http://www.ruby-forum.com/topic/189071	CONFIRM
22	http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/	CONFIRM	Patch Vendor Advisory
23	http://www.securityfocus.com/bid/35278	BID
24	http://www.securitytracker.com/id?1022371	SECTRACK
25	http://www.ubuntu.com/usn/USN-805-1	UBUNTU
26	http://www.vupen.com/english/advisories/2009/1563	VUPEN
27	https://bugs.launchpad.net/bugs/385436	CONFIRM
28	https://bugs.launchpad.net/bugs/cve/2009-1904	CONFIRM
29	https://exchange.xforce.ibmcloud.com/vulnerabilities/51032	XF
30	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780	OVAL
31	https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html	FEDORA

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-189	数値処理の問題	https://cwe.mitre.org/data/definitions/189.html