NVD Vulnerability Detail

CVE-2015-1607

Summary	kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."
Publication Date	Nov. 21, 2019, 4:15 a.m.
Registration Date	Jan. 26, 2021, 2:46 p.m.
Last Update	Nov. 21, 2024, 11:25 a.m.

CVSS3.1 : MEDIUM
スコア	5.5
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ローカル
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)	要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/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)	なし
完全性への影響(I)	なし
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	はい

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:gnupg:gnupg::::::::	2.1.0			2.1.2
cpe:2.3:a:gnupg:gnupg::::::::	2.0			2.0.27
cpe:2.3:a:gnupg:gnupg::::::::				1.4.19

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:10.04::::lts:::

Related information, measures and tools

No	URL	タグ
1	http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
2	http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
3	http://www.openwall.com/lists/oss-security/2015/02/13/14	Mailing List Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2015/02/13/14	Mailing List Third Party Advisory
5	http://www.openwall.com/lists/oss-security/2015/02/14/6	Mailing List Third Party Advisory
6	http://www.openwall.com/lists/oss-security/2015/02/14/6	Mailing List Third Party Advisory
7	http://www.securityfocus.com/bid/72610	Third Party Advisory VDB Entry
8	http://www.securityfocus.com/bid/72610	Third Party Advisory VDB Entry
9	http://www.ubuntu.com/usn/usn-2554-1/	Third Party Advisory
10	http://www.ubuntu.com/usn/usn-2554-1/	Third Party Advisory
11	https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html	Third Party Advisory
12	https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.html	Third Party Advisory
13	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html	Mailing List Release Notes Vendor Advisory
14	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html	Mailing List Release Notes Vendor Advisory
15	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html	Mailing List Release Notes Vendor Advisory
16	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html	Mailing List Release Notes Vendor Advisory
17	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html	Mailing List Release Notes Vendor Advisory
18	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html	Mailing List Release Notes Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

GnuPG における入力確認に関する脆弱性

Title	GnuPG における入力確認に関する脆弱性
Summary	GnuPG には、入力確認に関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 状態に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	Feb. 11, 2015, midnight
Registration Date	Nov. 27, 2019, 5:24 p.m.
Last Update	Nov. 27, 2019, 5:24 p.m.

Affected System

GNU Project

GnuPG 1.4.19 未満

GnuPG 2.0.27 未満の 2.0.x

GnuPG 2.1.2 未満の 2.1.x

Canonical

Ubuntu

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-2015-1607	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1607
National Vulnerability Database (NVD)
2	CVE-2015-1607	https://nvd.nist.gov/vuln/detail/CVE-2015-1607

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Git
1	Use inline functions to convert buffer data to scalars.	http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=2183683bd633818dd031b090b5530951de76f392
GnuPG Announce
2	[Announce] GnuPG 1.4.19 released (with SCA fix)	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
3	[Announce] GnuPG 2.0.27 "stable" released	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.html
4	[Announce] GnuPG 2.1.2 released	https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.html
Ubuntu Security Notice
5	USN-2554-1	https://usn.ubuntu.com/2554-1/

Change Log

No	Changed Details	Date of change
1	[2019年11月27日] 掲載	Nov. 27, 2019, 5:24 p.m.