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Vulnerability of Pillow: out-of-bounds memory reading via libImaging/SgiRleDecode.c

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via libImaging/SgiRleDecode.c of Pillow, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Fedora, Solaris, RHEL, Ubuntu.
Severity of this announce: 2/4.
Creation date: 06/07/2020.
Références of this computer vulnerability: bulletinoct2020, CVE-2020-11538, FEDORA-2020-c52106e48a, FEDORA-2020-d0737711b6, RHSA-2020:3185-01, RHSA-2020:3299-01, RHSA-2020:3302-01, USN-4430-1, USN-4430-2, VIGILANCE-VUL-32707.

Description of the vulnerability 

An attacker can force a read at an invalid address via libImaging/SgiRleDecode.c of Pillow, in order to trigger a denial of service, or to obtain sensitive information.
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This computer weakness announce impacts software or systems such as Fedora, Solaris, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this security alert 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 vulnerability.

Solutions for this threat 

Fedora 31: new python-pillow packages.
New packages are available:
  Fedora 31: python-pillow 6.2.2-3.fc31

Fedora 32: new python-pillow packages.
New packages are available:
  Fedora 32: python-pillow 7.0.0-4.fc32

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

RHEL 8.0: new python-pillow packages.
New packages are available:
  RHEL 8.0: python-pillow 5.1.1-11.el8_0

RHEL 8.1: new python-pillow packages.
New packages are available:
  RHEL 8.1: python-pillow 5.1.1-11.el8_1

RHEL 8.2: new python-pillow packages.
New packages are available:
  RHEL 8.2: python-pillow 5.1.1-12.el8_2

Ubuntu: new python-pil packages.
New packages are available:
  Ubuntu 20.04 LTS: python3-pil 7.0.0-4ubuntu0.1
  Ubuntu 18.04 LTS: python-pil 5.1.0-1ubuntu0.3, python3-pil 5.1.0-1ubuntu0.3
  Ubuntu 16.04 LTS: python-pil 3.1.2-0ubuntu1.4, python3-pil 3.1.2-0ubuntu1.4
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