Medium severity5.3NVD Advisory· Published Oct 26, 2017· Updated Jun 17, 2026

CVE-2017-15906

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

NetApp/Active Iq Unified Manager
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
NetApp/Cloud Backup
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
NetApp/Clustered Data Ontap
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
NetApp/Data Ontap Edge
cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*
NetApp/Hci Management Node
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
NetApp/Oncommand Unified Manager Core Package
cpe:2.3:a:netapp:oncommand_unified_manager_core_package:-:*:*:*:*:*:*:*
NetApp/Solidfire
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
NetApp/Steelstore Cloud Integrated Storage
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
NetApp/Storage Replication Adapter For Clustered Data Ontap2 versions
cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:9.6:*:*:*:*:vmware_vsphere:*:*+ 1 more
- cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:9.6:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:*:*:*:*:*:vmware_vsphere:*:*range: >=9.7
NetApp/Vasa Provider For Clustered Data Ontap
cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*
Range: >=6.0,<=6.2
NetApp/Virtual Storage Console2 versions
cpe:2.3:a:netapp:virtual_storage_console:9.6:*:*:*:*:vmware_vsphere:*:*+ 1 more
- cpe:2.3:a:netapp:virtual_storage_console:9.6:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*range: >=9.7
OpenBSD/OpenSSH
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Range: <7.6
Oracle Corporation/Sun Zfs Storage Appliance Kit
cpe:2.3:a:oracle:sun_zfs_storage_appliance_kit:8.8.6:*:*:*:*:*:*:*
Debian/linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
NetApp/Cn1610 Firmware
cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Desktop
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Eus2 versions
cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server Aus2 versions
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server Tus2 versions
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Workstation
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
OpenBSD/Srcllm-fuzzy
Range: <7.6
OpenSSH/OpenSSHllm-fuzzy
Range: <7.6
osv-coords31 versions
pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/openssh-askpass-gnome&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/openssh&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/openssh-openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITY
< 7.2p2-74.11.3+ 30 more
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.6p1-36.3.1
- (no CPE)range: < 6.6p1-54.15.1
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 6.6p1-54.15.1
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 6.6p1-36.3.1
- (no CPE)range: < 6.6p1-54.15.1
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 7.2p2-74.11.3
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.2p2-0.41.5.1
- (no CPE)range: < 6.6p1-36.3.1
- (no CPE)range: < 6.6p1-54.15.2
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 6.6p1-54.15.2
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 6.6p1-36.3.1
- (no CPE)range: < 6.6p1-54.15.2
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 7.2p2-74.11.1
- (no CPE)range: < 6.6p1-19.3.1

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/101552nvdThird Party AdvisoryVDB Entry
access.redhat.com/errata/RHSA-2018:0980nvdThird Party Advisory
github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19nvdThird Party Advisory
lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/201801-05nvdThird Party Advisory
security.netapp.com/advisory/ntap-20180423-0004/nvdThird Party Advisory
www.openssh.com/txt/release-7.6nvdRelease NotesVendor Advisory
www.oracle.com/security-alerts/cpujan2020.htmlnvdThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfnvd

News mentions

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exploit	0.000
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