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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.openssh.com/txt/release-7.6 ↗
- http://www.securityfocus.com/bid/101552 ↗
- https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19 ↗
- https://security.gentoo.org/glsa/201801-05 ↗
- https://security.netapp.com/advisory/ntap-20180423-0004/ ↗
- https://access.redhat.com/errata/RHSA-2018:0980 ↗
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html ↗
- https://www.oracle.com/security-alerts/cpujan2020.html ↗
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf ↗