CVE-2017-15906
5.3
MEDIUM
CVSS 3.1
EPSS 2.7%
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.
How to fix CVE-2017-15906
To remediate CVE-2017-15906, upgrade the affected package to a fixed version below.
- Alpine/openssh—upgrade to 7.5_p1-r8 or later
- Debian/openssh—upgrade to 1:7.6p1-1 or later
Is CVE-2017-15906 being exploited?
Low — EPSS is 2.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.5_p1-r8
- from 0, < 1:7.6p1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |