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Vulnerability of GNU Aspell: out-of-bounds memory reading via ASPELL_CONF UCS

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via ASPELL_CONF UCS of GNU Aspell, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable systems: Solaris, SUSE Linux Enterprise Desktop, SLES.
Severity of this threat: 2/4.
Creation date: 19/02/2020.
Références of this weakness: CVE-2019-20433, SUSE-SU-2020:0397-1, SUSE-SU-2020:14289-1, VIGILANCE-VUL-31622.

Description of the vulnerability 

An attacker can force a read at an invalid address via ASPELL_CONF UCS of GNU Aspell, in order to trigger a denial of service, or to obtain sensitive information.
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This security threat impacts software or systems such as Solaris, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer weakness note 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 threat alert.

Solutions for this threat 

Oracle Solaris: patch for third party software of April 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11 SP3/4: new php53 packages.
New packages are available:
  SUSE LE 11 SP3: apache2-mod_php53 5.3.17-112.79.1, php53 5.3.17-112.79.1
  SUSE LE 11 SP4: apache2-mod_php53 5.3.17-112.79.1, php53 5.3.17-112.79.1

SUSE LE 12 SP4/5: new php72 packages.
New packages are available:
  SUSE LE 12 SP4: php72 7.2.5-1.37.1
  SUSE LE 12 SP5: php72 7.2.5-1.37.1

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

Wind River Linux: version 10.18.44.15.
The version 10.18.44.15 is fixed:
  https://support2.windriver.com/
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