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JVN脆弱性詳細

DBD::mysql の my_login 関数における脆弱性

Title	DBD::mysql の my_login 関数における脆弱性
Summary	DBD::mysql の my_login 関数には、解放済みメモリの使用 (Use-after-free) により、不特定の影響を受ける脆弱性が存在します。補足情報 : CWE による脆弱性タイプは、CWE-416: Use After Free (解放済みメモリの使用) と識別されています。 http://cwe.mitre.org/data/definitions/416.html
Possible impacts	攻撃者により、my_login の失敗後に mysql_errno の呼び出しを利用されることで、不特定の影響を受け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. 15, 2015, midnight
Registration Date	Aug. 23, 2016, 4:57 p.m.
Last Update	Aug. 23, 2016, 4:57 p.m.

Affected System

Debian

Debian GNU/Linux 8.0

DBD::mysql project

DBD::mysql 4.033_01 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-2015-8949	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8949
National Vulnerability Database (NVD)
2	CVE-2015-8949	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8949

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-3635	https://www.debian.org/security/2016/dsa-3635
GitHub
2	Fix use after free error. #45	https://github.com/perl5-dbi/DBD-mysql/pull/45
3	Merge pull request #45 from hannob/master	https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156
4	Release 4.033_01	https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes

Change Log

No	Changed Details	Date of change
0	[2016年08月23日] 掲載	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2015-8949

Summary	Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01 allows attackers to have unspecified impact by leveraging a call to mysql_errno after a failure of my_login.
Publication Date	Aug. 20, 2016, 6:59 a.m.
Registration Date	Jan. 26, 2021, 2:59 p.m.
Last Update	Nov. 21, 2024, 11:39 a.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:a:dbd-mysql_project:dbd-mysql:4.033:::::::*

Related information, measures and tools

No	URL	タグ
1	http://www.debian.org/security/2016/dsa-3635	Third Party Advisory
2	http://www.debian.org/security/2016/dsa-3635	Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2016/07/25/13	Mailing List Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2016/07/25/13	Mailing List Third Party Advisory
5	http://www.openwall.com/lists/oss-security/2016/07/27/1	Mailing List Third Party Advisory
6	http://www.openwall.com/lists/oss-security/2016/07/27/1	Mailing List Third Party Advisory
7	http://www.securityfocus.com/bid/92118
8	http://www.securityfocus.com/bid/92118
9	https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html	Third Party Advisory
10	https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html	Third Party Advisory
11	https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes	Release Notes
12	https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes	Release Notes
13	https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156	Issue Tracking Patch
14	https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156	Issue Tracking Patch
15	https://github.com/perl5-dbi/DBD-mysql/pull/45	Issue Tracking Patch
16	https://github.com/perl5-dbi/DBD-mysql/pull/45	Issue Tracking Patch
17	https://security.gentoo.org/glsa/201701-51
18	https://security.gentoo.org/glsa/201701-51

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-416	解放済みメモリの使用	https://cwe.mitre.org/data/definitions/416.html