CVE-2017-15906

medium

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.

References

Advisories
More

https://www.oracle.com/security-alerts/cpujan2020.html

https://security.netapp.com/advisory/ntap-20180423-0004/

https://security.gentoo.org/glsa/201801-05

https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html

https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19

https://access.redhat.com/errata/RHSA-2018:0980

http://www.securityfocus.com/bid/101552

https://github.com/fujiokayu/nmap-nvd-script

https://github.com/krlabs/openssh-vulnerabilities

https://github.com/Live-Hack-CVE/CVE-2017-15906

https://www.openssh.com/txt/release-7.6

https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Details

Source: Mitre, NVD

Published: 2017-10-26

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N