VulnerabilityModified
CVE-2017-15906
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.
MEDIUM 5.3EPSS 3.36%
Does this matter?
Lower severity and a low EPSS score (3.36%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 3.36% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- openbsd/openssh · oracle/sun zfs storage appliance kit · debian/debian linux · netapp/active iq unified manager · netapp/cloud backup · netapp/clustered data ontap · netapp/data ontap edge · netapp/hci management node · netapp/oncommand unified manager core package · netapp/solidfire · netapp/steelstore cloud integrated storage · netapp/storage replication adapter for clustered data ontap · netapp/vasa provider for clustered data ontap · netapp/virtual storage console · netapp/cn1610 firmware · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · +1 more
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/101552Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0980Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201801-05Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180423-0004/Third Party Advisory
- https://www.openssh.com/txt/release-7.6Release Notes, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory
- http://www.securityfocus.com/bid/101552Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0980Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201801-05Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180423-0004/Third Party Advisory
- https://www.openssh.com/txt/release-7.6Release Notes, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.