NVD Vulnerability Detail

CVE-2015-6781

Summary	Integer overflow in the FontData::Bound function in data/font_data.cc in Google sfntly, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted offset or length value within font data in an SFNT container.
Publication Date	Dec. 6, 2015, 10:59 a.m.
Registration Date	Jan. 26, 2021, 2:55 p.m.
Last Update	Nov. 21, 2024, 11:35 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:google:chrome::::::::			46.0.2490.86

Related information, measures and tools

No	URL	refsource	タグ
1	http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
2	http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
3	http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
4	http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
5	http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
6	http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
7	http://www.debian.org/security/2015/dsa-3415
8	http://www.debian.org/security/2015/dsa-3415
9	http://www.securityfocus.com/bid/78416
10	http://www.securityfocus.com/bid/78416
11	http://www.securitytracker.com/id/1034298
12	http://www.securitytracker.com/id/1034298
13	https://code.google.com/p/chromium/issues/detail?id=497302
14	https://code.google.com/p/chromium/issues/detail?id=497302
15	https://codereview.chromium.org/1367323002/
16	https://codereview.chromium.org/1367323002/
17	https://github.com/googlei18n/sfntly/commit/de776d4ef06ca29c240de3444348894f032b03ff
18	https://github.com/googlei18n/sfntly/commit/de776d4ef06ca29c240de3444348894f032b03ff
19	https://security.gentoo.org/glsa/201603-09
20	https://security.gentoo.org/glsa/201603-09

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-189	数値処理の問題	https://cwe.mitre.org/data/definitions/189.html

JVN Vulnerability Information

Google Chrome で使用される Google sfntly の data/font_data.cc における整数オーバーフローの脆弱性

Title	Google Chrome で使用される Google sfntly の data/font_data.cc における整数オーバーフローの脆弱性
Summary	Google Chrome で使用される Google sfntly の data/font_data.cc の FontData::Bound 関数には、整数オーバーフローの脆弱性が存在します。 Impact
Possible impacts	第三者により、SFNT コンテナのフォントデータ内の巧妙に細工されたオフセットまたは length 値を介して、サービス運用妨害 (DoS) 状態にされるなど、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. 1, 2015, midnight
Registration Date	Dec. 8, 2015, 4:37 p.m.
Last Update	Dec. 8, 2015, 4:37 p.m.

Affected System

Google

Google Chrome 47.0.2526.73 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-2015-6781	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6781
National Vulnerability Database (NVD)
2	CVE-2015-6781	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-6781

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-189	https://jvndb.jvn.jp/ja/cwe/CWE-189.html

ベンダー情報

No	Name	URL
Chromium Code Reviews
1	Issue 1367323002	https://codereview.chromium.org/1367323002/
GitHub
2	Check for integer overflow in sfntly::FontData::Bound().	https://github.com/googlei18n/sfntly/commit/de776d4ef06ca29c240de3444348894f032b03ff
Google
3	Google Chrome	https://www.google.com/intl/ja/chrome/browser/features.html
4	Stable Channel Update	http://googlechromereleases.blogspot.jp/2015/12/stable-channel-update.html

Change Log

No	Changed Details	Date of change
0	[2015年12月08日] 掲載	Feb. 17, 2018, 10:37 a.m.