medium
5.3
CWE
732
Advisory Published
CVE Published
Updated

CVE-2017-15906

First published: Wed Oct 25 2017(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/openssh<7.6
7.6
ubuntu/openssh<1:7.5
1:7.5
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:6.6
1:6.6
ubuntu/openssh<1:7.6
1:7.6
ubuntu/openssh<1:7.2
1:7.2
debian/openssh
1:8.4p1-5+deb11u3
1:9.2p1-2+deb12u2
1:9.2p1-2+deb12u3
1:9.8p1-2
OpenSSH<7.6
Oracle Sun ZFS Storage Appliance Kit software=8.8.6
Debian=8.0
NetApp Active IQ Unified Manager for VMware vSphere
netapp cloud backup
IBM Data ONTAP
NetApp Data ONTAP Edge
netapp hci management node
NetApp OnCommand Unified Manager for Windows
netapp solidfire
NetApp SteelStore
NetApp Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere>=9.7
NetApp Storage Replication Adapter for Clustered Data ONTAP for VMware vSphere=9.6
NetApp VASA Provider>=6.0<=6.2
NetApp VASA Provider>=9.7
NetApp Virtual Storage Console for VMware vSphere>=9.7
NetApp Virtual Storage Console for VMware vSphere=9.6
All of
NetApp CN1610
NetApp CN1610 Firmware
redhat enterprise Linux desktop=7.0
redhat enterprise Linux eus=7.6
redhat enterprise Linux eus=7.7
redhat enterprise Linux server=7.0
redhat enterprise Linux server aus=7.6
redhat enterprise Linux server aus=7.7
redhat enterprise Linux server tus=7.6
redhat enterprise Linux server tus=7.7
redhat enterprise Linux workstation=7.0
NetApp CN1610
NetApp CN1610 Firmware

Remedy

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

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2017-15906?

    CVE-2017-15906 has a medium severity rating, as it allows attackers to create zero-length files in readonly mode.

  • How do I fix CVE-2017-15906?

    To fix CVE-2017-15906, upgrade OpenSSH to version 7.6 or later.

  • What versions of OpenSSH are affected by CVE-2017-15906?

    OpenSSH versions before 7.6 are affected by CVE-2017-15906.

  • Can CVE-2017-15906 impact file integrity?

    Yes, CVE-2017-15906 can impact file integrity by allowing creation of zero-length files in readonly mode.

  • Is there a specific way to mitigate CVE-2017-15906?

    Mitigation of CVE-2017-15906 involves ensuring your OpenSSH installation is updated to version 7.6 or later.

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