NVD Vulnerability Detail
Search Exploit, PoC
CVE-2019-6111
Summary

An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).

Publication Date Feb. 1, 2019, 3:29 a.m.
Registration Date Jan. 26, 2021, 11:43 a.m.
Last Update Nov. 21, 2024, 1:45 p.m.
CVSS3.1 : MEDIUM
スコア 5.9
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 高
攻撃に必要な特権レベル(PR) 不要
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) なし
完全性への影響(I) 高
可用性への影響(A) なし
CVSS2.0 : MEDIUM
Score 5.8
Vector AV:N/AC:M/Au:N/C:N/I:P/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) 低
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 いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* 7.9
cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:* 5.1.3
Configuration2 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:*:*:*:*:*:*:*
Configuration3 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:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:a:apache:mina_sshd:2.2.0:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* 12.0
Configuration8 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* xcp2361
execution environment
1 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* xcp3070
execution environment
1 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:o:siemens:scalance_x204rna_firmware:*:*:*:*:*:*:*:* 3.2.7
execution environment
1 cpe:2.3:h:siemens:scalance_x204rna:-:*:*:*:*:*:*:*
Configuration21 or higher or less more than less than
cpe:2.3:o:siemens:scalance_x204rna_eec_firmware:*:*:*:*:*:*:*:* 3.2.7
execution environment
1 cpe:2.3:h:siemens:scalance_x204rna_eec:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
OpenSSH における入力確認に関する脆弱性
Title OpenSSH における入力確認に関する脆弱性
Summary

OpenSSH には、入力確認に関する脆弱性が存在します。

Possible impacts 情報を改ざんされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date Jan. 21, 2019, midnight
Registration Date March 27, 2019, 4:14 p.m.
Last Update March 27, 2019, 4:14 p.m.
Affected System
レッドハット
Red Hat Enterprise Linux 
OpenBSD
OpenSSH 7.9
Debian
Debian GNU/Linux 
Canonical
Ubuntu 
WinSCP
WinSCP 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2019年03月27日]
  掲載		 March 27, 2019, 4:14 p.m.