National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15906 Detail

Current Description

The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.

Source:  MITRE      Last Modified:  10/25/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-15906
Original release date:
10/25/2017
Last revised:
01/31/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.3 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N (legend)
Impact Score:
1.4
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/101552 External Source BID 101552
https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19 Third Party Advisory External Source CONFIRM https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19
https://security.gentoo.org/glsa/201801-05 External Source GENTOO GLSA-201801-05
https://www.openssh.com/txt/release-7.6 Vendor Advisory External Source CONFIRM https://www.openssh.com/txt/release-7.6

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:1.5.8:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9.9p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.6:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.7:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.7p1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.8:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:4.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.0:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.1:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.2:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.3:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.3:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.4:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.4:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.5:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.5:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.6:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.6:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.7:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.7:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.8:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.8:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.8p2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.9:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:5.9:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.0:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.0:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.1:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.1:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.2:p1:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.2:p2:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*
Showing 100 of 125 CPEs, view all CPEs here.

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Change History 3 change records found - show changes