NVD Vulnerability Detail

CVE-2015-8790

Summary	The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted UTF-8 string, which triggers an invalid memory access.
Publication Date	Jan. 30, 2016, 4:59 a.m.
Registration Date	Jan. 26, 2021, 2:58 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:a:matroska:libebml::::::::			1.3.2

Related information, measures and tools

No	URL	タグ
1	http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html	Vendor Advisory
2	http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html	Vendor Advisory
3	http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
4	http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
5	http://www.debian.org/security/2016/dsa-3538
6	http://www.debian.org/security/2016/dsa-3538
7	http://www.securityfocus.com/bid/85307
8	http://www.securityfocus.com/bid/85307
9	http://www.securityfocus.com/bid/95124
10	http://www.securityfocus.com/bid/95124
11	http://www.talosintelligence.com/reports/TALOS-2016-0036/
12	http://www.talosintelligence.com/reports/TALOS-2016-0036/
13	https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog	Vendor Advisory
14	https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog	Vendor Advisory
15	https://github.com/Matroska-Org/libebml/commit/ababb64e0c792ad2a314245233db0833ba12036b
16	https://github.com/Matroska-Org/libebml/commit/ababb64e0c792ad2a314245233db0833ba12036b

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-200	情報漏えい	https://cwe.mitre.org/data/definitions/200.html

JVN Vulnerability Information

libEBML の EbmlUnicodeString::UpdateFromUTF8 関数におけるプロセスヒープメモリから重要な情報を取得される脆弱性

Title	libEBML の EbmlUnicodeString::UpdateFromUTF8 関数におけるプロセスヒープメモリから重要な情報を取得される脆弱性
Summary	libEBML の EbmlUnicodeString::UpdateFromUTF8 関数には、プロセスヒープメモリから重要な情報を取得される脆弱性が存在します。
Possible impacts	攻撃者により、巧妙に細工された UTF-8 文字列を介して、不正なメモリアクセスを誘発されることで、プロセスヒープメモリから重要な情報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	Oct. 20, 2015, midnight
Registration Date	Feb. 10, 2016, 2:05 p.m.
Last Update	Feb. 10, 2016, 2:05 p.m.

Affected System

Matroska.org

libEBML 1.3.3 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-2015-8790	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8790
2	CVE-2015-8790	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8790
National Vulnerability Database (NVD)
3	CVE-2015-8790	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8790
4	CVE-2015-8790	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8790

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-200	https://jvndb.jvn.jp/ja/cwe/CWE-200.html
2	CWE-200	https://jvndb.jvn.jp/ja/cwe/CWE-200.html

ベンダー情報

No	Name	URL
GitHub
1	EbmlUnicodeString: don't read beyond end of string	https://github.com/Matroska-Org/libebml/commit/ababb64e0c792ad2a314245233db0833ba12036b
2	EbmlUnicodeString: don't read beyond end of string	https://github.com/Matroska-Org/libebml/commit/ababb64e0c792ad2a314245233db0833ba12036b
3	libebml/ChangeLog at release-1.3.3	https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog
4	libebml/ChangeLog at release-1.3.3	https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog

Change Log

No	Changed Details	Date of change
0	[2016年02月10日] 掲載	Feb. 17, 2018, 10:37 a.m.
0	[2016年02月10日] 掲載	Feb. 17, 2018, 10:37 a.m.