NVD Vulnerability Detail

CVE-2014-2525

Summary	Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.
Publication Date	March 29, 2014, 12:55 a.m.
Registration Date	Jan. 26, 2021, 3:08 p.m.
Last Update	Nov. 21, 2024, 11:06 a.m.

CVSS2.0 : MEDIUM
Score	6.8
Vector	AV:N/AC:M/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)	中
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
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:pyyaml:libyaml:0.1.4:::::::*
cpe:2.3:a:pyyaml:libyaml::::::::		0.1.5
cpe:2.3:a:pyyaml:libyaml:0.1.2:::::::*
cpe:2.3:a:pyyaml:libyaml:0.1.3:::::::*
cpe:2.3:a:pyyaml:libyaml:0.1.1:::::::*
cpe:2.3:a:pyyaml:libyaml:0.0.1:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:opensuse:leap:42.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.2:::::::*

Related information, measures and tools

No	URL	タグ
1	http://advisories.mageia.org/MGASA-2014-0150.html	Third Party Advisory
2	http://advisories.mageia.org/MGASA-2014-0150.html	Third Party Advisory
3	http://lists.opensuse.org/opensuse-updates/2014-04/msg00022.html	Third Party Advisory
4	http://lists.opensuse.org/opensuse-updates/2014-04/msg00022.html	Third Party Advisory
5	http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html	Third Party Advisory
6	http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html	Third Party Advisory
7	http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html	Third Party Advisory
8	http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html	Third Party Advisory
9	http://rhn.redhat.com/errata/RHSA-2014-0353.html
10	http://rhn.redhat.com/errata/RHSA-2014-0353.html
11	http://rhn.redhat.com/errata/RHSA-2014-0354.html
12	http://rhn.redhat.com/errata/RHSA-2014-0354.html
13	http://rhn.redhat.com/errata/RHSA-2014-0355.html
14	http://rhn.redhat.com/errata/RHSA-2014-0355.html
15	http://secunia.com/advisories/57836
16	http://secunia.com/advisories/57836
17	http://secunia.com/advisories/57966
18	http://secunia.com/advisories/57966
19	http://secunia.com/advisories/57968
20	http://secunia.com/advisories/57968
21	http://support.apple.com/kb/HT6443
22	http://support.apple.com/kb/HT6443
23	http://www.debian.org/security/2014/dsa-2884
24	http://www.debian.org/security/2014/dsa-2884
25	http://www.debian.org/security/2014/dsa-2885
26	http://www.debian.org/security/2014/dsa-2885
27	http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
28	http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
29	http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
30	http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
31	http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
32	http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
33	http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
34	http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
35	http://www.ocert.org/advisories/ocert-2014-003.html	US Government Resource
36	http://www.ocert.org/advisories/ocert-2014-003.html	US Government Resource
37	http://www.securityfocus.com/bid/66478
38	http://www.securityfocus.com/bid/66478
39	http://www.ubuntu.com/usn/USN-2160-1
40	http://www.ubuntu.com/usn/USN-2160-1
41	https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048	Exploit Patch
42	https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048	Exploit Patch
43	https://puppet.com/security/cve/cve-2014-2525
44	https://puppet.com/security/cve/cve-2014-2525

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

LibYAML の yaml_parser_scan_uri_escapes 関数におけるヒープベースのバッファオーバーフローの脆弱性

Title	LibYAML の yaml_parser_scan_uri_escapes 関数におけるヒープベースのバッファオーバーフローの脆弱性
Summary	LibYAML の yaml_parser_scan_uri_escapes 関数には、ヒープベースのバッファオーバーフローの脆弱性が存在します。
Possible impacts	攻撃者により、YAML ファイルの URI のパーセントエンコードされた文字の過度に長いシーケンスを介して、任意のコードを実行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	March 26, 2014, midnight
Registration Date	April 1, 2014, 1:51 p.m.
Last Update	June 22, 2015, 5:50 p.m.

Affected System

アップル

Apple Mac OS X 10.9 から 10.9.4

Kirill Simonov

LibYAML 0.1.6 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-2014-2525	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2525
National Vulnerability Database (NVD)
2	CVE-2014-2525	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2525

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
Apple Security Updates
1	HT6443	http://support.apple.com/kb/HT6443
Apple セキュリティアップデート
2	HT6443	http://support.apple.com/kb/HT6443?viewlocale=ja_JP
Bitbucket
3	Fixed heap overflow in yaml_parser_scan_uri_escapes (Thanks Ivan Fratric of the Google Security Team).	https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048
Chef
4	Chef Server 11.0.12 Release	http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
5	Enterprise Chef 1.4.9 Release	http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
6	Enterprise Chef 11.1.3 Release	http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
Red Hat Security Advisory
7	RHSA-2014:0353	http://rhn.redhat.com/errata/RHSA-2014-0353.html
8	RHSA-2014:0354	http://rhn.redhat.com/errata/RHSA-2014-0354.html
9	RHSA-2014:0355	http://rhn.redhat.com/errata/RHSA-2014-0355.html

その他

No	Name	URL
JVN
1	JVNVU#93868849	http://jvn.jp/vu/JVNVU93868849/index.html
関連文書
2	2014-003 LibYAML input sanitization errors	http://www.ocert.org/advisories/ocert-2014-003.html
3	MGASA-2014-0150	http://advisories.mageia.org/MGASA-2014-0150.html

Change Log

No	Changed Details	Date of change
0	[2014年04月01日] 掲載 [2014年05月14日] ベンダ情報：Opscode (Enterprise Chef 1.4.9 Release) を追加ベンダ情報：Opscode (Enterprise Chef 11.1.3 Release) を追加ベンダ情報：Opscode (Chef Server 11.0.12 Release) を追加 [2014年05月23日] ベンダ情報：レッドハット (RHSA-2014:0353) を追加ベンダ情報：レッドハット (RHSA-2014:0354) を追加ベンダ情報：レッドハット (RHSA-2014:0355) を追加 [2014年09月22日] 影響を受けるシステム：ベンダ情報の追加に伴い内容を更新ベンダ情報：アップル (HT6443) を追加参考情報：JVN (JVNVU#93868849) を追加 [2015年06月22日] 参考情報：関連文書 (MGASA-2014-0150) を追加	Feb. 17, 2018, 10:37 a.m.