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openssh: scp client improper directory name validation

🗓️ 05 Nov 2019 22:29:15Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

OpenSSH 7.9 scp client accepts '.' or empty filenames, bypassing access controls and altering client permissions.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64openssh0:8.0p1-3.el8openssh-0:8.0p1-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenssh0:8.0p1-3.el8openssh-0:8.0p1-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenssh0:8.0p1-3.el8openssh-0:8.0p1-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openssh0:8.0p1-3.el8openssh-0:8.0p1-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64openssh-askpass0:8.0p1-3.el8openssh-askpass-0:8.0p1-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenssh-askpass0:8.0p1-3.el8openssh-askpass-0:8.0p1-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenssh-askpass0:8.0p1-3.el8openssh-askpass-0:8.0p1-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openssh-askpass0:8.0p1-3.el8openssh-askpass-0:8.0p1-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64openssh-askpass-debuginfo0:8.0p1-3.el8openssh-askpass-debuginfo-0:8.0p1-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenssh-askpass-debuginfo0:8.0p1-3.el8openssh-askpass-debuginfo-0:8.0p1-3.el8.ppc64le.rpm
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25 Jun 2026 10:54Current
7.2High risk
Vulners AI Score7.2
CVSS 22.6
CVSS 3.15.3
EPSS0.03681
SSVC
6