NVD Vulnerability Detail

CVE-2015-8025

Summary	driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors.
Publication Date	Nov. 11, 2015, 2:59 a.m.
Registration Date	Jan. 26, 2021, 2:57 p.m.
Last Update	Nov. 21, 2024, 11:37 a.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::

Configuration2		or higher	or less	more than	less than
cpe:2.3:a:xscreensaver_project:xscreensaver:5.33:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
2	http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
3	http://www.debian.org/security/2016/dsa-3438
4	http://www.debian.org/security/2016/dsa-3438
5	http://www.openwall.com/lists/oss-security/2015/10/24/2	Exploit
6	http://www.openwall.com/lists/oss-security/2015/10/24/2	Exploit
7	http://www.openwall.com/lists/oss-security/2015/10/25/1
8	http://www.openwall.com/lists/oss-security/2015/10/25/1
9	http://www.openwall.com/lists/oss-security/2015/10/29/12
10	http://www.openwall.com/lists/oss-security/2015/10/29/12
11	http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
12	http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
13	http://www.securitytracker.com/id/1034052
14	http://www.securitytracker.com/id/1034052
15	http://www.ubuntu.com/usn/USN-2789-1
16	http://www.ubuntu.com/usn/USN-2789-1
17	https://twitter.com/Thaolia/status/656823859304398848
18	https://twitter.com/Thaolia/status/656823859304398848
19	https://www.jwz.org/blog/2015/10/xscreensaver-5-34/
20	https://www.jwz.org/blog/2015/10/xscreensaver-5-34/

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-264	認可・権限・アクセス制御	https://cwe.mitre.org/data/definitions/264.html

JVN Vulnerability Information

XScreenSaver の driver/subprocs.c におけるロックスクリーンを回避される脆弱性

Title	XScreenSaver の driver/subprocs.c におけるロックスクリーンを回避される脆弱性
Summary	XScreenSaver の driver/subprocs.c は、内部の整合性チェックを適切に実行しないため、ロックスクリーンを回避される脆弱性が存在します。
Possible impacts	物理的に端末の操作が可能な攻撃者により、ホットスワッピングモニタによってロックスクリーンを回避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. 24, 2015, midnight
Registration Date	Nov. 13, 2015, 4:07 p.m.
Last Update	Nov. 13, 2015, 4:07 p.m.

Affected System

XScreenSaver project

XScreenSaver 5.34 未満

Canonical

Ubuntu 12.04 LTS

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-2015-8025	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8025
National Vulnerability Database (NVD)
2	CVE-2015-8025	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8025

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-264	https://jvndb.jvn.jp/ja/cwe/CWE-264.html

ベンダー情報

No	Name	URL
Red Hat Bugzilla
1	Bug 1274452	https://bugzilla.redhat.com/show_bug.cgi?id=1274452
Ubuntu Security Notice
2	USN-2789-1	http://www.ubuntu.com/usn/USN-2789-1/
XScreenSaver project
3	XScreenSaver 5.34	https://www.jwz.org/blog/2015/10/xscreensaver-5-34/

Change Log

No	Changed Details	Date of change
0	[2015年11月13日] 掲載	Feb. 17, 2018, 10:37 a.m.