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Vulnerability of Pillow: buffer overflow via libImaging/SgiRleDecode.c

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via libImaging/SgiRleDecode.c of Pillow, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Debian, Fedora, Solaris, RHEL, Ubuntu.
Severity of this alert: 2/4.
Creation date: 31/01/2020.
Références of this alert: bulletinoct2020, CVE-2020-5311, DSA-4631-1, FEDORA-2020-5cdbb19cca, FEDORA-2020-df444e464e, RHSA-2020:0566-01, RHSA-2020:0580-01, USN-4272-1, VIGILANCE-VUL-31475.

Description of the vulnerability 

An attacker can trigger a buffer overflow via libImaging/SgiRleDecode.c of Pillow, in order to trigger a denial of service, and possibly to run code.
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This computer weakness announce impacts software or systems such as Debian, 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 

Debian 9/10: new pillow packages.
New packages are available:
  Debian 9: pillow 4.0.0-4+deb9u1
  Debian 10: pillow 5.4.1-2+deb10u1

Fedora: new python-pillow packages.
New packages are available:
  Fedora 30: python-pillow 5.4.1-4.fc30
  Fedora 31: python-pillow 6.2.2-1.fc31

Oracle Solaris: patch for third party software of Januray 2020 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

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 5.1.1-10.el8_0

RHEL 8.1: new python-pillow packages.
New packages are available:
  RHEL 8.1: python-pillow 5.1.1-10.el8_1

Ubuntu: new python-pil packages.
New packages are available:
  Ubuntu 19.10: python-pil 6.1.0-1ubuntu0.2, python3-pil 6.1.0-1ubuntu0.2
  Ubuntu 18.04 LTS: python-pil 5.1.0-1ubuntu0.2, python3-pil 5.1.0-1ubuntu0.2
  Ubuntu 16.04 LTS: python-pil 3.1.2-0ubuntu1.3, python3-pil 3.1.2-0ubuntu1.3
  Ubuntu 14.04 ESM: python-pil 2.3.0-1ubuntu3.4+esm1, python3-pil 2.3.0-1ubuntu3.4+esm1
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