CVE-2017-15906

CWE-732 — Incorrect Permission AssignmentCWE-20 — Improper Input Validation9 documents8 sources
Severity
5.3MEDIUM
EPSS
3.2%
top 13.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Openbsd OpensshNetapp Vasa Provider FOR Clustered Data OntapDebian Debian Linux+9 more
Timeline
PublishedOct 26
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages9 packages

▶NVDopenbsd/openssh< 7.6
▶Debianopenssh< 1:7.6p1-1+3
▶NVDnetapp/vasa_provider6.0 — 6.2+1

Also affects: Debian Linux 8.0, Enterprise Linux 7.6, 7.7

🔴Vulnerability Details

3
GHSA
GHSA-543w-q592-87ph: The process_open function in sftp-server↗2022-05-13
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CVEList
CVE-2017-15906: The process_open function in sftp-server↗2017-10-26
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OSV
CVE-2017-15906: The process_open function in sftp-server↗2017-10-26
▶

📋Vendor Advisories

3
Ubuntu
OpenSSH vulnerabilities↗2018-01-22
▶
Red Hat
openssh: Improper write operations in readonly mode allow for zero-length file creation↗2017-10-03
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Debian
CVE-2017-15906: openssh - The process_open function in sftp-server.c in OpenSSH before 7.6 does not proper...↗2017
▶

💬Community

2
Bugzilla
CVE-2017-15906 openssh: Improper write operations in readonly mode allow for zero-length file creation [fedora-all]↗2017-10-26
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Bugzilla
CVE-2017-15906 openssh: Improper write operations in readonly mode allow for zero-length file creation↗2017-10-26
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CVE-2017-15906 (MEDIUM CVSS 5.3) | The process_open function in sftp-s | cvebase.io