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vulnerability note CVE-2018-20685

OpenSSH: privilege escalation via Scp Client Empty Dirname Permission Change

Synthesis of the vulnerability

An attacker can bypass restrictions via Scp Client Empty Dirname Permission Change of OpenSSH, in order to escalate his privileges.
Vulnerable systems: Debian, Fedora, IBM i, OpenSSH, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu.
Severity of this threat: 3/4.
Consequences of an attack: data reading, data creation/edition, data deletion.
Pirate's origin: internet server.
Creation date: 11/01/2019.
Revision date: 14/01/2019.
Références of this weakness: bulletinjan2019, cpuapr2019, CVE-2018-20685, DLA-1728-1, DSA-4387-1, DSA-4387-2, FEDORA-2019-9eb0ae6296, FEDORA-2019-f6ff819834, ibm10731015, openSUSE-SU-2019:0091-1, openSUSE-SU-2019:0093-1, SUSE-SU-2019:0125-1, SUSE-SU-2019:0126-1, SUSE-SU-2019:0132-1, SUSE-SU-2019:13931-1, USN-3885-1, USN-3885-2, VIGILANCE-VUL-28244.

Description of the vulnerability

An attacker can bypass restrictions via Scp Client Empty Dirname Permission Chan...
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