NVD脆弱性詳細

CVE-2017-0903

概要	RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.
公表日	2017年10月12日3:29
登録日	2021年1月26日13:11
最終更新日	2024年11月21日12:03

CVSS3.0 : CRITICAL
スコア	9.8
ベクター	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
スコア	7.5
ベクター	AV:N/AC:L/Au:N/C:P/I:P/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)	低
完全性への影響(I)	低
可用性への影響(A)	低
全ての特権を取得	いいえ
ユーザー権限を取得	いいえ
その他の権限を取得	いいえ
ユーザー操作が必要	いいえ

影響を受けるソフトウェアの構成

構成1	以上	以下	より上	未満
cpe:2.3:a:rubygems:rubygems:2.4.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:rc2::::::
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2.1::::::
cpe:2.3:a:rubygems:rubygems:2.0.13:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.15:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:rc1::::::
cpe:2.3:a:rubygems:rubygems:2.0.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.16:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2.2::::::
cpe:2.3:a:rubygems:rubygems:2.0.14:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2::::::
cpe:2.3:a:rubygems:rubygems:2.0.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.12:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.17:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0.rc.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0.rc.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0.preiew.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0.rc.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.3.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.12:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.13:::::::*

構成2	以上	以下	より上	未満
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

構成3	以上	以下	より上	未満
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*

構成4	以上	以下	より上	未満
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*

関連情報、対策とツール

No	URL	タグ
1	http://blog.rubygems.org/2017/10/09/2.6.14-released.html	Vendor Advisory
2	http://blog.rubygems.org/2017/10/09/2.6.14-released.html	Vendor Advisory
3	http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html	Vendor Advisory
4	http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html	Vendor Advisory
5	http://www.securityfocus.com/bid/101275	Third Party Advisory VDB Entry
6	http://www.securityfocus.com/bid/101275	Third Party Advisory VDB Entry
7	https://access.redhat.com/errata/RHSA-2017:3485	Third Party Advisory
8	https://access.redhat.com/errata/RHSA-2017:3485	Third Party Advisory
9	https://access.redhat.com/errata/RHSA-2018:0378	Third Party Advisory
10	https://access.redhat.com/errata/RHSA-2018:0378	Third Party Advisory
11	https://access.redhat.com/errata/RHSA-2018:0583	Third Party Advisory
12	https://access.redhat.com/errata/RHSA-2018:0583	Third Party Advisory
13	https://access.redhat.com/errata/RHSA-2018:0585	Third Party Advisory
14	https://access.redhat.com/errata/RHSA-2018:0585	Third Party Advisory
15	https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49	Patch Third Party Advisory
16	https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49	Patch Third Party Advisory
17	https://hackerone.com/reports/274990	Third Party Advisory
18	https://hackerone.com/reports/274990	Third Party Advisory
19	https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List Third Party Advisory
20	https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List Third Party Advisory
21	https://usn.ubuntu.com/3553-1/	Third Party Advisory
22	https://usn.ubuntu.com/3553-1/	Third Party Advisory
23	https://usn.ubuntu.com/3685-1/	Third Party Advisory
24	https://usn.ubuntu.com/3685-1/	Third Party Advisory
25	https://www.debian.org/security/2017/dsa-4031	Third Party Advisory
26	https://www.debian.org/security/2017/dsa-4031	Third Party Advisory

共通脆弱性一覧

No	CWE	名前	URL
1	CWE-502	信頼性のないデータのデシリアライゼーション	https://cwe.mitre.org/data/definitions/502.html

JVN脆弱性情報

RubyGems における信頼性のないデータのデシリアライゼーションに関する脆弱性

タイトル	RubyGems における信頼性のないデータのデシリアライゼーションに関する脆弱性
概要	RubyGems には、信頼性のないデータのデシリアライゼーションに関する脆弱性が存在します。
想定される影響	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
対策	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。
公表日	2017年10月9日0:00
登録日	2017年11月13日9:55
最終更新日	2017年11月13日9:55

影響を受けるシステム

RubyGems

RubyGems 2.0.0 から 2.6.13

CVE (情報セキュリティ共通脆弱性識別子)

No	名前	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2017-0903	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0903
National Vulnerability Database (NVD)
2	CVE-2017-0903	https://nvd.nist.gov/vuln/detail/CVE-2017-0903

CWE (共通脆弱性タイプ一覧)

No	名前	URL
JVNDB
1	CWE-502	https://cwe.mitre.org/data/definitions/502.html

ベンダー情報

No	名前	URL
GitHub
1	Whitelist classes and symbols that are in Gem spec YAML	https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49
RubyGems.org
2	2.6.14 Released	http://blog.rubygems.org/2017/10/09/2.6.14-released.html
3	Unsafe Object Deserialization Vulnerability in RubyGems	http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html

変更履歴

No	変更内容	変更日
0	[2017年11月13日] 掲載	2018年2月17日10:37

構成1	以上	以下	より上	未満
cpe:2.3:a:rubygems:rubygems:2.4.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:rc2::::::
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2.1::::::
cpe:2.3:a:rubygems:rubygems:2.0.13:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.15:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:rc1::::::
cpe:2.3:a:rubygems:rubygems:2.0.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.16:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2.2::::::
cpe:2.3:a:rubygems:rubygems:2.0.14:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:preview2::::::
cpe:2.3:a:rubygems:rubygems:2.0.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.12:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.0.17:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0.rc.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.0.rc.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.1.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0.preiew.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.0.rc.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.2.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.3.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.4.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.5.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.0:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.1:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.2:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.3:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.4:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.5:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.6:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.7:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.8:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.9:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.10:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.11:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.12:::::::*
cpe:2.3:a:rubygems:rubygems:2.6.13:::::::*

構成4	以上	以下	より上	未満
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*