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Vulnerability of Linux kernel CIFS Client, Samba Client: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of the Linux kernel CIFS Client or the Samba Client, in order to create a file outside the service root path.
Vulnerable products: Debian, Linux, openSUSE Leap, RSA Authentication Manager, Samba, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 13/11/2019.
Références of this bulletin: 1144903, 14072, CERTFR-2019-AVI-561, CERTFR-2019-AVI-575, CERTFR-2019-AVI-612, CERTFR-2019-AVI-635, CERTFR-2020-AVI-005, CERTFR-2020-AVI-029, CERTFR-2020-AVI-123, CVE-2019-10220, DLA-2068-1, DLA-2114-1, DSA-2019-189, openSUSE-SU-2019:2503-1, openSUSE-SU-2019:2507-1, SUSE-SU-2019:14218-1, SUSE-SU-2019:2946-1, SUSE-SU-2019:2947-1, SUSE-SU-2019:2948-1, SUSE-SU-2019:2949-1, SUSE-SU-2019:2950-1, SUSE-SU-2019:2951-1, SUSE-SU-2019:2952-1, SUSE-SU-2019:2953-1, SUSE-SU-2019:2984-1, SUSE-SU-2019:3200-1, SUSE-SU-2019:3294-1, SUSE-SU-2019:3295-1, SUSE-SU-2020:0093-1, USN-4226-1, VIGILANCE-VUL-30846.

Description of the vulnerability 

An attacker can traverse directories of the Linux kernel CIFS Client or the Samba Client, in order to create a file outside the service root path.
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This computer weakness bulletin impacts software or systems such as Debian, Linux, openSUSE Leap, RSA Authentication Manager, Samba, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat announce is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this threat announce.

Solutions for this threat 

Linux kernel: solution for CIFS Client.
Packages fir the Linux kernel are available as stated in VIGILANCE-VUL-30846.

Debian 8: new linux-4.9 packages.
New packages are available:
  Debian 8: linux-4.9 4.9.210-1~deb8u1

Debian 8: new linux packages.
New packages are available:
  Debian 8: linux 3.16.81-1

openSUSE Leap 15.0: new kernel packages (14/11/2019).
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.82.1

openSUSE Leap 15.1: new kernel packages (14/11/2019).
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.32.1

RSA Authentication Manager: version 8.4 Patch 9.
The version 8.4 Patch 9 is fixed:
  https://www.dell.com/support/

SUSE LE 11 SP4: new kernel packages.
New packages are available:
  SUSE LE 11 SP4: kernel 3.0.101-108.108.1

SUSE LE 12 SP1: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP1: kernel 3.12.74-60.64.124.1

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.125.1

SUSE LE 12 SP3: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.107.1

SUSE LE 12 SP4: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP4: kernel-azure 4.12.14-6.29.1

SUSE LE 12 SP4: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.40.1

SUSE LE 12 SP4: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP4: kernel-rt 4.12.14-8.9.3

SUSE LE 12 SP5: new kernel-azure packages (15/01/2020).
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.7.1

SUSE LE 12 SP5: new kernel packages (09/12/2019).
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.7.1

SUSE LE 15 RTM: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 15 RTM: kernel-azure 4.12.14-5.44.1

SUSE LE 15 RTM: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.41.1

SUSE LE 15 SP1: new kernel-azure packages (13/11/2019).
New packages are available:
  SUSE LE 15 SP1: kernel-azure 4.12.14-8.19.1

SUSE LE 15 SP1: new kernel packages (13/11/2019).
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.26.1

SUSE LE 15 SP1: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-rt 4.12.14-14.14.3

Ubuntu: new linux-image-5.0.0 packages (07/01/2020).
New packages are available:
  Ubuntu 18.04 LTS: linux-image-azure 5.0.0.1028.39
  Ubuntu 19.04: linux-image-generic 5.0.0.38.40

Wind River Linux: version 10.17.41.20.
The version 10.17.41.20 is fixed:
  https://support2.windriver.com/
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