NVD Vulnerability Detail

CVE-2016-4073

Summary	Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.
Publication Date	May 20, 2016, 8 p.m.
Registration Date	Jan. 26, 2021, 2:11 p.m.
Last Update	Nov. 21, 2024, 11:51 a.m.

CVSS3.0 : CRITICAL
スコア	9.8
Vector	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
Score	7.5
Vector	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
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:php:php:5.6.1:::::::*
cpe:2.3:a:php:php:5.5.0:alpha1::::::
cpe:2.3:a:php:php:5.6.0:alpha5::::::
cpe:2.3:a:php:php:5.6.5:::::::*
cpe:2.3:a:php:php:5.5.0:alpha3::::::
cpe:2.3:a:php:php:5.5.19:::::::*
cpe:2.3:a:php:php:7.0.4:::::::*
cpe:2.3:a:php:php:5.6.12:::::::*
cpe:2.3:a:php:php:5.5.0:beta3::::::
cpe:2.3:a:php:php:5.5.25:::::::*
cpe:2.3:a:php:php:5.6.13:::::::*
cpe:2.3:a:php:php:5.5.0:::::::*
cpe:2.3:a:php:php:5.6.0:beta2::::::
cpe:2.3:a:php:php:5.6.0:beta1::::::
cpe:2.3:a:php:php:5.6.0:::::::*
cpe:2.3:a:php:php:5.5.1:::::::*
cpe:2.3:a:php:php:5.5.5:::::::*
cpe:2.3:a:php:php:5.6.4:::::::*
cpe:2.3:a:php:php:5.5.21:::::::*
cpe:2.3:a:php:php:7.0.3:::::::*
cpe:2.3:a:php:php:5.6.6:::::::*
cpe:2.3:a:php:php:7.0.1:::::::*
cpe:2.3:a:php:php:5.6.0:alpha3::::::
cpe:2.3:a:php:php:5.5.14:::::::*
cpe:2.3:a:php:php:5.6.18:::::::*
cpe:2.3:a:php:php:5.5.7:::::::*
cpe:2.3:a:php:php:5.6.11:::::::*
cpe:2.3:a:php:php:5.5.0:beta1::::::
cpe:2.3:a:php:php:5.6.2:::::::*
cpe:2.3:a:php:php:5.6.10:::::::*
cpe:2.3:a:php:php:5.5.29:::::::*
cpe:2.3:a:php:php:5.5.12:::::::*
cpe:2.3:a:php:php:5.6.0:beta3::::::
cpe:2.3:a:php:php:5.5.6:::::::*
cpe:2.3:a:php:php:5.6.7:::::::*
cpe:2.3:a:php:php:5.5.0:rc1::::::
cpe:2.3:a:php:php:5.5.0:beta4::::::
cpe:2.3:a:php:php:5.5.3:::::::*
cpe:2.3:a:php:php:5.5.23:::::::*
cpe:2.3:a:php:php:5.5.8:::::::*
cpe:2.3:a:php:php:5.6.0:beta4::::::
cpe:2.3:a:php:php:5.5.27:::::::*
cpe:2.3:a:php:php:5.6.15:::::::*
cpe:2.3:a:php:php:5.5.24:::::::*
cpe:2.3:a:php:php:5.5.0:alpha6::::::
cpe:2.3:a:php:php:5.5.0:beta2::::::
cpe:2.3:a:php:php:7.0.2:::::::*
cpe:2.3:a:php:php:5.5.11:::::::*
cpe:2.3:a:php:php:5.5.13:::::::*
cpe:2.3:a:php:php:5.6.0:alpha2::::::
cpe:2.3:a:php:php:5.5.4:::::::*
cpe:2.3:a:php:php:5.6.17:::::::*
cpe:2.3:a:php:php:5.6.16:::::::*
cpe:2.3:a:php:php:5.5.33:::::::*
cpe:2.3:a:php:php:5.5.0:alpha4::::::
cpe:2.3:a:php:php:5.5.26:::::::*
cpe:2.3:a:php:php:5.6.9:::::::*
cpe:2.3:a:php:php:5.6.0:alpha1::::::
cpe:2.3:a:php:php:5.5.10:::::::*
cpe:2.3:a:php:php:5.6.3:::::::*
cpe:2.3:a:php:php:7.0.0:::::::*
cpe:2.3:a:php:php:5.5.0:alpha5::::::
cpe:2.3:a:php:php:5.5.30:::::::*
cpe:2.3:a:php:php:5.5.22:::::::*
cpe:2.3:a:php:php:5.5.32:::::::*
cpe:2.3:a:php:php:5.6.8:::::::*
cpe:2.3:a:php:php:5.5.18:::::::*
cpe:2.3:a:php:php:5.6.14:::::::*
cpe:2.3:a:php:php:5.6.19:::::::*
cpe:2.3:a:php:php:5.5.0:alpha2::::::
cpe:2.3:a:php:php:5.5.20:::::::*
cpe:2.3:a:php:php:5.6.0:alpha4::::::
cpe:2.3:a:php:php:5.5.2:::::::*
cpe:2.3:a:php:php:5.5.0:rc2::::::
cpe:2.3:a:php:php:5.5.9:::::::*

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:apple:mac_os_x::::::::			10.11.3

Related information, measures and tools

No	URL	タグ
1	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
2	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
3	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
4	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
5	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html
6	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html
7	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html
8	http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html
9	http://rhn.redhat.com/errata/RHSA-2016-2750.html
10	http://rhn.redhat.com/errata/RHSA-2016-2750.html
11	http://www.debian.org/security/2016/dsa-3560
12	http://www.debian.org/security/2016/dsa-3560
13	http://www.openwall.com/lists/oss-security/2016/04/24/1
14	http://www.openwall.com/lists/oss-security/2016/04/24/1
15	http://www.php.net/ChangeLog-5.php
16	http://www.php.net/ChangeLog-5.php
17	http://www.php.net/ChangeLog-7.php
18	http://www.php.net/ChangeLog-7.php
19	http://www.securityfocus.com/bid/85991
20	http://www.securityfocus.com/bid/85991
21	http://www.ubuntu.com/usn/USN-2952-1
22	http://www.ubuntu.com/usn/USN-2952-1
23	http://www.ubuntu.com/usn/USN-2952-2
24	http://www.ubuntu.com/usn/USN-2952-2
25	https://bugs.php.net/bug.php?id=71906	Exploit
26	https://bugs.php.net/bug.php?id=71906	Exploit
27	https://gist.github.com/smalyshev/d8355c96a657cc5dba70
28	https://gist.github.com/smalyshev/d8355c96a657cc5dba70
29	https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
30	https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
31	https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
32	https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
33	https://security.gentoo.org/glsa/201611-22
34	https://security.gentoo.org/glsa/201611-22
35	https://support.apple.com/HT206567
36	https://support.apple.com/HT206567

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

PHP の ext/mbstring/libmbfl/mbfl/mbfilter.c の mbfl_strcut 関数における整数オーバーフローの脆弱性

Title	PHP の ext/mbstring/libmbfl/mbfl/mbfilter.c の mbfl_strcut 関数における整数オーバーフローの脆弱性
Summary	PHP の ext/mbstring/libmbfl/mbfl/mbfilter.c の mbfl_strcut 関数には、整数オーバーフローの脆弱性が存在します。
Possible impacts	第三者により、巧妙に細工された mb_strcut コールを介して、サービス運用妨害 (アプリケーションクラッシュ) 状態にされる、または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 31, 2016, midnight
Registration Date	May 25, 2016, 4:28 p.m.
Last Update	Oct. 26, 2016, 3:26 p.m.

Affected System

The PHP Group

PHP 5.5.34 未満

PHP 5.6.20 未満の 5.6.x

PHP 7.0.5 未満の 7.x

アップル

Apple Mac OS X 10.11 およびそれ以降

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-2016-4073	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4073
National Vulnerability Database (NVD)
2	CVE-2016-4073	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4073

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 Mailing Lists
1	APPLE-SA-2016-05-16-4 OS X El Capitan 10.11.5 and Security Update 2016-003	http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Apple Security Updates
2	HT206567	https://support.apple.com/en-us/HT206567
Apple セキュリティアップデート
3	HT206567	https://support.apple.com/ja-jp/HT206567
GitHub
4	71906.diff	https://gist.github.com/smalyshev/d8355c96a657cc5dba70
HPE Security Bulletin
5	HPSBNS03635	https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05240731
PHP Bugs
6	Sec Bug #71906	https://bugs.php.net/bug.php?id=71906
The PHP Group
7	Fixed bug #71906: AddressSanitizer: negative-size-param (-1) in mbfl_strcut	https://git.php.net/?p=php-src.git;a=commit;h=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
8	PHP 5 ChangeLog	http://php.net/ChangeLog-5.php
9	PHP 7 ChangeLog	http://php.net/ChangeLog-7.php

Change Log

No	Changed Details	Date of change
0	[2016年05月25日] 掲載 [2016年10月26日] ベンダ情報：ヒューレット・パッカード・エンタープライズ (HPSBNS03635) を追加	Feb. 17, 2018, 10:37 a.m.

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:php:php:5.6.1:::::::*
cpe:2.3:a:php:php:5.5.0:alpha1::::::
cpe:2.3:a:php:php:5.6.0:alpha5::::::
cpe:2.3:a:php:php:5.6.5:::::::*
cpe:2.3:a:php:php:5.5.0:alpha3::::::
cpe:2.3:a:php:php:5.5.19:::::::*
cpe:2.3:a:php:php:7.0.4:::::::*
cpe:2.3:a:php:php:5.6.12:::::::*
cpe:2.3:a:php:php:5.5.0:beta3::::::
cpe:2.3:a:php:php:5.5.25:::::::*
cpe:2.3:a:php:php:5.6.13:::::::*
cpe:2.3:a:php:php:5.5.0:::::::*
cpe:2.3:a:php:php:5.6.0:beta2::::::
cpe:2.3:a:php:php:5.6.0:beta1::::::
cpe:2.3:a:php:php:5.6.0:::::::*
cpe:2.3:a:php:php:5.5.1:::::::*
cpe:2.3:a:php:php:5.5.5:::::::*
cpe:2.3:a:php:php:5.6.4:::::::*
cpe:2.3:a:php:php:5.5.21:::::::*
cpe:2.3:a:php:php:7.0.3:::::::*
cpe:2.3:a:php:php:5.6.6:::::::*
cpe:2.3:a:php:php:7.0.1:::::::*
cpe:2.3:a:php:php:5.6.0:alpha3::::::
cpe:2.3:a:php:php:5.5.14:::::::*
cpe:2.3:a:php:php:5.6.18:::::::*
cpe:2.3:a:php:php:5.5.7:::::::*
cpe:2.3:a:php:php:5.6.11:::::::*
cpe:2.3:a:php:php:5.5.0:beta1::::::
cpe:2.3:a:php:php:5.6.2:::::::*
cpe:2.3:a:php:php:5.6.10:::::::*
cpe:2.3:a:php:php:5.5.29:::::::*
cpe:2.3:a:php:php:5.5.12:::::::*
cpe:2.3:a:php:php:5.6.0:beta3::::::
cpe:2.3:a:php:php:5.5.6:::::::*
cpe:2.3:a:php:php:5.6.7:::::::*
cpe:2.3:a:php:php:5.5.0:rc1::::::
cpe:2.3:a:php:php:5.5.0:beta4::::::
cpe:2.3:a:php:php:5.5.3:::::::*
cpe:2.3:a:php:php:5.5.23:::::::*
cpe:2.3:a:php:php:5.5.8:::::::*
cpe:2.3:a:php:php:5.6.0:beta4::::::
cpe:2.3:a:php:php:5.5.27:::::::*
cpe:2.3:a:php:php:5.6.15:::::::*
cpe:2.3:a:php:php:5.5.24:::::::*
cpe:2.3:a:php:php:5.5.0:alpha6::::::
cpe:2.3:a:php:php:5.5.0:beta2::::::
cpe:2.3:a:php:php:7.0.2:::::::*
cpe:2.3:a:php:php:5.5.11:::::::*
cpe:2.3:a:php:php:5.5.13:::::::*
cpe:2.3:a:php:php:5.6.0:alpha2::::::
cpe:2.3:a:php:php:5.5.4:::::::*
cpe:2.3:a:php:php:5.6.17:::::::*
cpe:2.3:a:php:php:5.6.16:::::::*
cpe:2.3:a:php:php:5.5.33:::::::*
cpe:2.3:a:php:php:5.5.0:alpha4::::::
cpe:2.3:a:php:php:5.5.26:::::::*
cpe:2.3:a:php:php:5.6.9:::::::*
cpe:2.3:a:php:php:5.6.0:alpha1::::::
cpe:2.3:a:php:php:5.5.10:::::::*
cpe:2.3:a:php:php:5.6.3:::::::*
cpe:2.3:a:php:php:7.0.0:::::::*
cpe:2.3:a:php:php:5.5.0:alpha5::::::
cpe:2.3:a:php:php:5.5.30:::::::*
cpe:2.3:a:php:php:5.5.22:::::::*
cpe:2.3:a:php:php:5.5.32:::::::*
cpe:2.3:a:php:php:5.6.8:::::::*
cpe:2.3:a:php:php:5.5.18:::::::*
cpe:2.3:a:php:php:5.6.14:::::::*
cpe:2.3:a:php:php:5.6.19:::::::*
cpe:2.3:a:php:php:5.5.0:alpha2::::::
cpe:2.3:a:php:php:5.5.20:::::::*
cpe:2.3:a:php:php:5.6.0:alpha4::::::
cpe:2.3:a:php:php:5.5.2:::::::*
cpe:2.3:a:php:php:5.5.0:rc2::::::
cpe:2.3:a:php:php:5.5.9:::::::*