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Vulnerability of libzypp: file reading via World Readable Assert Cookie

Synthesis of the vulnerability 

A local attacker can read a file via World Readable Assert Cookie of libzypp, in order to obtain sensitive information.
Vulnerable systems: Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this threat: 2/4.
Creation date: 13/01/2020.
Références of this weakness: CVE-2019-18900, DLA-2132-1, openSUSE-SU-2020:0255-1, SUSE-SU-2020:0079-1, SUSE-SU-2020:0087-1, SUSE-SU-2020:0432-1, VIGILANCE-VUL-31310.

Description of the vulnerability 

A local attacker can read a file via World Readable Assert Cookie of libzypp, in order to obtain sensitive information.
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This security announce impacts software or systems such as Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

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

An attacker with a expert ability can exploit this computer vulnerability announce.

Solutions for this threat 

Debian 8: new libzypp packages.
New packages are available:
  Debian 8: libzypp 14.29.1-2+deb8u1

openSUSE Leap 15.1: new libsolv packages.
New packages are available:
  openSUSE Leap 15.1: libsolv 0.7.10-lp151.2.10.1, zypper 1.14.33-lp151.2.10.1

SUSE LE 12 SP4/5: new libzypp packages.
New packages are available:
  SUSE LE 12 SP4: libzypp 16.21.2-2.45.1
  SUSE LE 12 SP5: libzypp 16.21.2-2.45.1

SUSE LE 15: new libsolv packages.
New packages are available:
  SUSE LE 15 RTM: libsolv 0.7.10-3.22.1
  SUSE LE 15 SP1: libsolv 0.7.10-3.22.1

SUSE LE 15 SP1: new zypper packages.
New packages are available:
  SUSE LE 15 SP1: libsolv 0.7.10-3.13.4, libzypp 17.19.0-3.14.5, zypper 1.14.33-3.13.5
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