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Vulnerability of JasPer: NULL pointer dereference via ras_putdatastd

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via ras_putdatastd() of JasPer, in order to trigger a denial of service.
Impacted systems: Debian, openSUSE Leap, Oracle DB, Oracle Fusion Middleware, Oracle OIT, WebLogic, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 1/4.
Creation date: 03/01/2019.
Références of this alert: cpuapr2020, cpuoct2020, CVE-2018-18873, DLA-1628-1, DLA-1628-2, openSUSE-SU-2020:1517-1, openSUSE-SU-2020:1523-1, SUSE-SU-2020:2689-1, SUSE-SU-2020:2690-1, USN-4688-1, VIGILANCE-VUL-28151.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via ras_putdatastd() of JasPer, in order to trigger a denial of service.
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This computer vulnerability alert impacts software or systems such as Debian, openSUSE Leap, Oracle DB, Oracle Fusion Middleware, Oracle OIT, WebLogic, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat alert is low.

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

An attacker with a expert ability can exploit this security vulnerability.

Solutions for this threat 

Debian 8: new jasper packages.
New packages are available:
  Debian 8: jasper 1.900.1-debian1-2.4+deb8u6

openSUSE Leap 15.1: new JasPer packages.
New packages are available:
  openSUSE Leap 15.1: JasPer 2.0.14-lp151.4.9.1

openSUSE Leap 15.2: new jasper packages.
New packages are available:
  openSUSE Leap 15.2: jasper 2.0.14-lp152.7.3.1

Oracle Database: CPU of October 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2694898.1

Oracle Fusion Middleware: CPU of April 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2633852.1

SUSE LE 12 SP5: new jasper packages.
New packages are available:
  SUSE LE 12 SP5: libjasper1 1.900.14-195.22.1

SUSE LE 15: new jasper packages.
New packages are available:
  SUSE LE 15 SP2: libjasper4 2.0.14-3.16.1
  SUSE LE 15 SP1: libjasper4 2.0.14-3.16.1

Ubuntu 16.04: new libjasper1 packages.
New packages are available:
  Ubuntu 16.04 LTS: libjasper1 1.900.1-debian1-2.4ubuntu1.3
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