NVD Vulnerability Detail

CVE-2019-7524

Summary	In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components.
Publication Date	March 28, 2019, 11:29 p.m.
Registration Date	Jan. 26, 2021, 11:44 a.m.
Last Update	Nov. 21, 2024, 1:48 p.m.

CVSS3.0 : HIGH
スコア	7.8
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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)	低
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高

CVSS2.0 : HIGH
Score	7.2
Vector	AV:L/AC:L/Au:N/C:C/I:C/A:C
攻撃元区分(AV)	ローカル
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	高
完全性への影響(I)	高
可用性への影響(A)	高
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:dovecot:dovecot::::::::				2.2.36.3
cpe:2.3:a:dovecot:dovecot::::::::	2.3.0			2.3.5.1

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration3	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:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:opensuse:leap:42.3:::::::*
cpe:2.3:o:opensuse:leap:15.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html	Mailing List Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2019/03/28/1	Mailing List Third Party Advisory
4	http://www.securityfocus.com/bid/107672	Third Party Advisory VDB Entry
5	https://dovecot.org/list/dovecot-news/2019-March/000403.html	Vendor Advisory
6	https://dovecot.org/security.html	Vendor Advisory
7	https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html	Mailing List Third Party Advisory
8	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
10	https://seclists.org/bugtraq/2019/Mar/59	Issue Tracking Mailing List Third Party Advisory
11	https://security.gentoo.org/glsa/201904-19
12	https://usn.ubuntu.com/3928-1/	Third Party Advisory
13	https://www.debian.org/security/2019/dsa-4418	Third Party Advisory
14	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html	Mailing List Third Party Advisory
15	https://www.debian.org/security/2019/dsa-4418	Third Party Advisory
16	https://usn.ubuntu.com/3928-1/	Third Party Advisory
17	https://security.gentoo.org/glsa/201904-19
18	https://seclists.org/bugtraq/2019/Mar/59	Issue Tracking Mailing List Third Party Advisory
19	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
20	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
21	https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html	Mailing List Third Party Advisory
22	https://dovecot.org/security.html	Vendor Advisory
23	https://dovecot.org/list/dovecot-news/2019-March/000403.html	Vendor Advisory
24	http://www.securityfocus.com/bid/107672	Third Party Advisory VDB Entry
25	http://www.openwall.com/lists/oss-security/2019/03/28/1	Mailing List Third Party Advisory
26	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-119	バッファエラー	https://cwe.mitre.org/data/definitions/118.html

JVN Vulnerability Information

Dovecot におけるバッファエラーの脆弱性

Title	Dovecot におけるバッファエラーの脆弱性
Summary	Dovecot には、バッファエラーの脆弱性が存在します。
Possible impacts	情報を取得される、情報を改ざんされる、およびサービス運用妨害 (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	March 28, 2019, midnight
Registration Date	April 26, 2019, 11:41 a.m.
Last Update	April 26, 2019, 11:41 a.m.

Affected System

Debian

Debian GNU/Linux

Canonical

Ubuntu

Timo Sirainen

Dovecot 2.2.36.3 未満

Dovecot 2.3.5.1 未満の 2.3.x

openSUSE project

openSUSE Leap

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-2019-7524	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7524
National Vulnerability Database (NVD)
2	CVE-2019-7524	https://nvd.nist.gov/vuln/detail/CVE-2019-7524

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-119	https://jvndb.jvn.jp/ja/cwe/CWE-119.html

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-4418	https://www.debian.org/security/2019/dsa-4418
debian-security-announce
2	[SECURITY] [DLA 1736-1]	https://lists.debian.org/debian-lts-announce/2019/03/msg00038.html
dovecot
3	[Dovecot-news] CVE-2019-7524	https://dovecot.org/list/dovecot-news/2019-March/000403.html
opensuse-security-announce
4	SUSE-SU-2019:1212-1	https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00060.html
5	SUSE-SU-2019:1220-1	https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
Security
6	28 Mar 2019	https://www.dovecot.org/security
Ubuntu Security Notice
7	USN-3928-1	https://usn.ubuntu.com/3928-1/

Change Log

No	Changed Details	Date of change
1	[2019年04月26日] 掲載	April 26, 2019, 11:41 a.m.