The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

vulnerability bulletin CVE-2019-3880

Samba: directory traversal via Symlink

Synthesis of the vulnerability

An attacker can traverse directories via Symlink of Samba, in order to create a file outside the service root path.
Vulnerable software: Debian, Fedora, IBM i, openSUSE Leap, Solaris, RHEL, Samba, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Consequences of an intrusion: data reading, data creation/edition.
Attacker's origin: user account.
Creation date: 08/04/2019.
Références of this computer vulnerability: bulletinjul2019, CERTFR-2019-AVI-149, CVE-2019-3880, DLA-1754-1, DSA-4427-1, FEDORA-2019-019c5314a0, FEDORA-2019-db21b5f1d2, ibm10880621, openSUSE-SU-2019:1180-1, openSUSE-SU-2019:1292-1, RHSA-2019:2099-01, SUSE-SU-2019:1037-1, SUSE-SU-2019:1040-1, SUSE-SU-2019:1194-1, SUSE-SU-2019:1195-1, SUSE-SU-2019:1203-1, SUSE-SU-2019:14042-1, USN-3939-1, USN-3939-2, VIGILANCE-VUL-28963.

Description of the vulnerability

An attacker can traverse directories via Symlink of Samba, in order to create a file outside the service root path.
Full Vigil@nce bulletin... (Free trial)

Computer vulnerabilities tracking service

Vigil@nce provides a systems vulnerabilities watch. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system. Each administrator can customize the list of products for which he wants to receive vulnerability alerts. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.