NVD Vulnerability Detail

CVE-2018-18585

Summary	chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
Publication Date	Oct. 23, 2018, 11:29 a.m.
Registration Date	March 1, 2021, 7:10 p.m.
Last Update	Nov. 21, 2024, 12:56 p.m.

CVSS3.1 : MEDIUM
スコア	4.3
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
攻撃元区分(AV)	ネットワーク
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)	低

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:kyzer:libmspack:0.7:alpha::::::
cpe:2.3:a:kyzer:libmspack:0.6:alpha::::::
cpe:2.3:a:kyzer:libmspack:0.5:alpha::::::
cpe:2.3:a:kyzer:libmspack:0.4:alpha::::::
cpe:2.3:a:kyzer:libmspack:0.3:alpha::::::

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration5	or higher	or less	more than	less than
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:::ltss:::*
cpe:2.3:o:suse:linux_enterprise_server:12:sp2:::ltss:::*
cpe:2.3:o:suse:linux_enterprise_server:12:sp1:::ltss:::*
cpe:2.3:o:suse:linux_enterprise_server:12:ga:::ltss:::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:::::vsphere::

Related information, measures and tools

No	URL	タグ
1	https://access.redhat.com/errata/RHSA-2019:2049	Third Party Advisory
2	https://access.redhat.com/errata/RHSA-2019:2049	Third Party Advisory
3	https://bugs.debian.org/911637	Issue Tracking Mailing List Third Party Advisory
4	https://bugs.debian.org/911637	Issue Tracking Mailing List Third Party Advisory
5	https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f	Exploit Third Party Advisory
6	https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f	Exploit Third Party Advisory
7	https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html	Mailing List Third Party Advisory
8	https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html	Mailing List Third Party Advisory
9	https://security.gentoo.org/glsa/201903-20	Third Party Advisory
10	https://security.gentoo.org/glsa/201903-20	Third Party Advisory
11	https://usn.ubuntu.com/3814-1/	Third Party Advisory
12	https://usn.ubuntu.com/3814-1/	Third Party Advisory
13	https://usn.ubuntu.com/3814-2/	Third Party Advisory
14	https://usn.ubuntu.com/3814-2/	Third Party Advisory
15	https://usn.ubuntu.com/3814-3/	Third Party Advisory
16	https://usn.ubuntu.com/3814-3/	Third Party Advisory
17	https://www.openwall.com/lists/oss-security/2018/10/22/1	Mailing List Patch Third Party Advisory
18	https://www.openwall.com/lists/oss-security/2018/10/22/1	Mailing List Patch Third Party Advisory
19	https://www.starwindsoftware.com/security/sw-20181213-0002/	Third Party Advisory
20	https://www.starwindsoftware.com/security/sw-20181213-0002/	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-476	NULL ポインタデリファレンス	https://cwe.mitre.org/data/definitions/476.html

JVN Vulnerability Information

libmspack における NULL ポインタデリファレンスに関する脆弱性

Title	libmspack における NULL ポインタデリファレンスに関する脆弱性
Summary	libmspack には、NULL ポインタデリファレンス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	Oct. 17, 2018, midnight
Registration Date	March 6, 2019, 4:59 p.m.
Last Update	March 6, 2019, 4:59 p.m.

Affected System

レッドハット

Red Hat Enterprise Linux

Debian

Debian GNU/Linux

Canonical

Ubuntu

SUSE

SUSE Linux Enterprise Server

Stuart Caie

libmspack 0.8alpha 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-2018-18585	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18585
2	CVE-2018-18585	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18585
National Vulnerability Database (NVD)
3	CVE-2018-18585	https://nvd.nist.gov/vuln/detail/CVE-2018-18585
4	CVE-2018-18585	https://nvd.nist.gov/vuln/detail/CVE-2018-18585
Red Hat CVE Database
5	CVE-2018-18585	https://access.redhat.com/security/cve/cve-2018-18585
6	CVE-2018-18585	https://access.redhat.com/security/cve/cve-2018-18585
SUSE Linux security updates
7	CVE-2018-18585	https://www.suse.com/security/cve/CVE-2018-18585/
8	CVE-2018-18585	https://www.suse.com/security/cve/CVE-2018-18585/

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-476	http://cwe.mitre.org/data/definitions/476.html
2	CWE-476	http://cwe.mitre.org/data/definitions/476.html

ベンダー情報

No	Name	URL
Debian
1	[SECURITY] [DLA 1555-1] libmspack security update	https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
2	[SECURITY] [DLA 1555-1] libmspack security update	https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
Debian Bug report logs
3	#911637	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911637
4	#911637	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911637
GitHub
5	Avoid returning CHM file entries that are "blank" because they have embedded null bytes	https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
6	Avoid returning CHM file entries that are "blank" because they have embedded null bytes	https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
Ubuntu Security Notice
7	USN-3814-1	https://usn.ubuntu.com/3814-1/
8	USN-3814-1	https://usn.ubuntu.com/3814-1/
9	USN-3814-2	https://usn.ubuntu.com/3814-2/
10	USN-3814-2	https://usn.ubuntu.com/3814-2/
11	USN-3814-3	https://usn.ubuntu.com/3814-3/
12	USN-3814-3	https://usn.ubuntu.com/3814-3/

その他

No	Name	URL
関連文書
1	Buffer overflow in cabextract/libmspack (Fwd: New cabextract 1.8 and libmspack 0.8 release)	https://www.openwall.com/lists/oss-security/2018/10/22/1
2	Buffer overflow in cabextract/libmspack (Fwd: New cabextract 1.8 and libmspack 0.8 release)	https://www.openwall.com/lists/oss-security/2018/10/22/1

Change Log

No	Changed Details	Date of change
1	[2019年03月06日] 掲載	March 6, 2019, 4:59 p.m.