NVD Vulnerability Detail

CVE-2010-4347

Summary	The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI interpreter tables, related to the acpi_debugfs_init function in drivers/acpi/debugfs.c.
Publication Date	Dec. 23, 2010, 6 a.m.
Registration Date	Jan. 29, 2021, 11:08 a.m.
Last Update	Nov. 21, 2024, 10:20 a.m.

CVSS2.0 : MEDIUM
Score	6.9
Vector	AV:L/AC:M/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	中
攻撃前の認証要否(Au)	不要
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
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:o:linux:linux_kernel::::::::					2.6.36.2

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:opensuse:opensuse:11.3:::::::*
cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp1::::::

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
2	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
3	http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html	Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html	Third Party Advisory
5	http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html	Third Party Advisory
6	http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html	Third Party Advisory
7	http://openwall.com/lists/oss-security/2010/12/15/3	Mailing List Patch Third Party Advisory
8	http://openwall.com/lists/oss-security/2010/12/15/3	Mailing List Patch Third Party Advisory
9	http://openwall.com/lists/oss-security/2010/12/15/7	Mailing List Patch Third Party Advisory
10	http://openwall.com/lists/oss-security/2010/12/15/7	Mailing List Patch Third Party Advisory
11	http://secunia.com/advisories/42778	Third Party Advisory
12	http://secunia.com/advisories/42778	Third Party Advisory
13	http://www.exploit-db.com/exploits/15774/	Exploit Third Party Advisory VDB Entry
14	http://www.exploit-db.com/exploits/15774/	Exploit Third Party Advisory VDB Entry
15	http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2	Broken Link
16	http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2	Broken Link
17	http://www.securityfocus.com/bid/45408	Exploit Third Party Advisory VDB Entry
18	http://www.securityfocus.com/bid/45408	Exploit Third Party Advisory VDB Entry
19	http://www.vupen.com/english/advisories/2011/0012	Third Party Advisory
20	http://www.vupen.com/english/advisories/2011/0012	Third Party Advisory
21	http://www.vupen.com/english/advisories/2011/0298	Third Party Advisory
22	http://www.vupen.com/english/advisories/2011/0298	Third Party Advisory
23	https://bugzilla.redhat.com/show_bug.cgi?id=663542	Issue Tracking Patch Third Party Advisory
24	https://bugzilla.redhat.com/show_bug.cgi?id=663542	Issue Tracking Patch Third Party Advisory
25	https://exchange.xforce.ibmcloud.com/vulnerabilities/64155	Third Party Advisory VDB Entry
26	https://exchange.xforce.ibmcloud.com/vulnerabilities/64155	Third Party Advisory VDB Entry

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-269	不適切な権限管理	https://cwe.mitre.org/data/definitions/269.html

JVN Vulnerability Information

Linux kernel の ACPI サブシステムにおける権限を取得される脆弱性

Title	Linux kernel の ACPI サブシステムにおける権限を取得される脆弱性
Summary	Linux kernel の ACPI サブシステムは、drivers/acpi/debugfs.c 内にある acpi_debugfs_init 関数の処理に関して不備があるため、 debugfs custom_method ファイルに対する 0222 パーミッションを使用により、権限を取得される脆弱性が存在します。
Possible impacts	ローカルユーザにより、ACPI インタープリタテーブル内にあるカスタム ACPI メソッドの配置を介して、権限を取得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. 9, 2010, midnight
Registration Date	April 8, 2011, 1:35 p.m.
Last Update	April 8, 2011, 1:35 p.m.

Affected System

レッドハット

Red Hat Enterprise Linux 5

Linux

Linux Kernel 2.6.36.2 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-2010-4347	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4347
National Vulnerability Database (NVD)
2	CVE-2010-4347	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-4347

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-264	https://jvndb.jvn.jp/ja/cwe/CWE-264.html

ベンダー情報

No	Name	URL
Linux Kernel
1	ChangeLog-2.6.36.2	http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
2	Linux Kernel Archives	http://www.kernel.org
Red Hat Security Advisory
3	RHSA-2011:0330	https://rhn.redhat.com/errata/RHSA-2011-0330.html

その他

No	Name	URL
ISS X-Force Database
1	64155	http://xforce.iss.net/xforce/xfdb/64155
SecurityFocus
2	45408	http://www.securityfocus.com/bid/45408

Change Log

No	Changed Details	Date of change
0	[2011年04月08日] 掲載	Feb. 17, 2018, 10:37 a.m.