NVD Vulnerability Detail

CVE-2020-9273

Summary	In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
Publication Date	Feb. 21, 2020, 1:15 a.m.
Registration Date	Jan. 26, 2021, 12:02 p.m.
Last Update	Nov. 21, 2024, 2:40 p.m.

CVSS3.1 : HIGH
スコア	8.8
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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)	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	9.0
Vector	AV:N/AC:L/Au:S/C:C/I:C/A:C
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	単一
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:proftpd:proftpd:1.3.7:::::::*

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:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:30:::::::*
cpe:2.3:o:fedoraproject:fedora:31:::::::*

Configuration4	or higher	or less	more than	less than
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::
cpe:2.3:a:opensuse:backports_sle:15.0:-::::::

Configuration5		or higher	or less	more than	less than
cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:-:::::::*
execution environment
1	cpe:2.3:h:siemens:simatic_net_cp_1545-1:-:::::::*

Configuration6		or higher	or less	more than	less than
cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware::::::::					3.0
execution environment
1	cpe:2.3:h:siemens:simatic_net_cp_1543-1:-:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.html	Mailing List Third Party Advisory
3	http://www.openwall.com/lists/oss-security/2021/08/25/1	Mailing List Third Party Advisory
4	http://www.openwall.com/lists/oss-security/2021/08/25/1	Mailing List Third Party Advisory
5	http://www.openwall.com/lists/oss-security/2021/09/06/2	Mailing List Third Party Advisory
6	http://www.openwall.com/lists/oss-security/2021/09/06/2	Mailing List Third Party Advisory
7	https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf	Third Party Advisory
8	https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf	Third Party Advisory
9	https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES	Release Notes Third Party Advisory
10	https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES	Release Notes Third Party Advisory
11	https://github.com/proftpd/proftpd/issues/903	Third Party Advisory
12	https://github.com/proftpd/proftpd/issues/903	Third Party Advisory
13	https://lists.debian.org/debian-lts-announce/2020/02/msg00022.html	Mailing List Third Party Advisory
14	https://lists.debian.org/debian-lts-announce/2020/02/msg00022.html	Mailing List Third Party Advisory
15	https://lists.debian.org/debian-lts-announce/2020/03/msg00002.html	Mailing List Third Party Advisory
16	https://lists.debian.org/debian-lts-announce/2020/03/msg00002.html	Mailing List Third Party Advisory
17	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
18	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
19	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
20	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
21	https://security.gentoo.org/glsa/202003-35	Third Party Advisory
22	https://security.gentoo.org/glsa/202003-35	Third Party Advisory
23	https://www.debian.org/security/2020/dsa-4635	Third Party Advisory
24	https://www.debian.org/security/2020/dsa-4635	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-416	解放済みメモリの使用	https://cwe.mitre.org/data/definitions/416.html

JVN Vulnerability Information

ProFTPD における解放済みメモリの使用に関する脆弱性

Title	ProFTPD における解放済みメモリの使用に関する脆弱性
Summary	ProFTPD には、解放済みメモリの使用に関する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	Feb. 19, 2020, midnight
Registration Date	March 4, 2020, 6:01 p.m.
Last Update	March 4, 2020, 6:01 p.m.

Affected System

ProFTPD Project

ProFTPD 1.3.7

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-2020-9273	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9273
National Vulnerability Database (NVD)
2	CVE-2020-9273	https://nvd.nist.gov/vuln/detail/CVE-2020-9273

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-416	https://cwe.mitre.org/data/definitions/416.html

ベンダー情報

No	Name	URL
GitHub
1	RELEASE_NOTES	https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
2	Use-after-free vulnerability in memory pools during data transfer #903	https://github.com/proftpd/proftpd/issues/903

Change Log

No	Changed Details	Date of change
1	[2020年03月04日] 掲載	March 4, 2020, 6:01 p.m.