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Vulnerability of OpenLDAP: privilege escalation via SASL

Synthesis of the vulnerability 

An attacker can bypass restrictions via SASL of OpenLDAP, in order to escalate his privileges.
Vulnerable systems: Mac OS X, Debian, OpenLDAP, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 29/07/2019.
Références of this weakness: 9052, CVE-2019-13565, DLA-1891-1, HT210788, openSUSE-SU-2019:2157-1, openSUSE-SU-2019:2176-1, SUSE-SU-2019:2390-1, SUSE-SU-2019:2395-1, USN-4078-1, USN-4078-2, VIGILANCE-VUL-29900.

Description of the vulnerability 

An attacker can bypass restrictions via SASL of OpenLDAP, in order to escalate his privileges.
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This threat bulletin impacts software or systems such as Mac OS X, Debian, OpenLDAP, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

The trust level is of type confirmed by the editor, with an origin of user account.

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

Solutions for this threat 

OpenLDAP: version 2.4.48.
The version 2.4.48 is fixed:
  http://www.openldap.org/software/download/
  ftp://ftp.openldap.org/pub/OpenLDAP/MIRRORS

Apple macOS: version 10.13.6-2019-007.
The version 10.13.6-2019-007 is fixed:
  https://support.apple.com/

Apple macOS: version 10.14.6-2019-002.
The version 10.14.6-2019-002 is fixed:
  https://support.apple.com/

Apple macOS: version 10.15.2.
The version 10.15.2 is fixed:
  https://support.apple.com/

Debian 8: new openldap packages.
New packages are available:
  Debian 8: openldap 2.4.40+dfsg-1+deb8u5

openSUSE Leap 15.1: new openldap2 packages.
New packages are available:
  openSUSE Leap 15.1: openldap2 2.4.46-lp151.10.3.1
  openSUSE Leap 15.0: openldap2 2.4.46-lp150.13.1

Oracle Solaris: patch for third party software of Januray 2020 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 12 SP4: new openldap2 packages.
New packages are available:
  SUSE LE 12 SP4: openldap2 2.4.41-18.63.1

SUSE LE 15: new openldap2 packages.
New packages are available:
  SUSE LE 15 RTM: openldap2 2.4.46-9.19.2
  SUSE LE 15 SP1: openldap2 2.4.46-9.19.2

Ubuntu: new slapd packages.
New packages are available:
  Ubuntu 19.04: slapd 2.4.47+dfsg-3ubuntu2.1
  Ubuntu 18.04 LTS: slapd 2.4.45+dfsg-1ubuntu1.3
  Ubuntu 16.04 LTS: slapd 2.4.42+dfsg-2ubuntu3.6
  Ubuntu 14.04 ESM: slapd 2.4.31-1+nmu2ubuntu8.5+esm1
  Ubuntu 12.04 ESM: slapd 2.4.28-1.1ubuntu4.9

Wind River Linux: version 10.18.44.12.
The version 10.18.44.12 is fixed:
  https://support2.windriver.com/
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