CVE-2017-15906

openssh: Improper write operations in readonly mode allow for zero-length file creation

Published Oct 26, 2017 CVSS 3.1 · 5.3 Medium EPSS 3.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1500-1 openssh security update
EUVD EUVD EUVD-2017-7325 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.
Ubuntu USN Ubuntu USN USN-3538-1 OpenSSH vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}