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Vulnerability of Redis: buffer overflow via Hyperloglog 12 Bytes

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Hyperloglog 12 Bytes of Redis, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Debian, Oracle Communications, RHEL, Ubuntu.
Severity of this announce: 2/4.
Creation date: 12/07/2019.
Références of this computer vulnerability: cpujul2020, CVE-2019-10193, DSA-4480-1, RHSA-2019:1819-01, RHSA-2019:2002-01, USN-4061-1, VIGILANCE-VUL-29755.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Hyperloglog 12 Bytes of Redis, in order to trigger a denial of service, and possibly to run code.
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This weakness bulletin impacts software or systems such as Debian, Oracle Communications, RHEL, Ubuntu.

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

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

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

Solutions for this threat 

Debian 9/10: new redis packages.
New packages are available:
  Debian 9: redis 3:3.2.6-3+deb9u3
  Debian 10: redis 5:5.0.3-4+deb10u1

Oracle Communications: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2681987.1
  https://support.oracle.com/rs?type=doc&id=2682459.1
  https://support.oracle.com/rs?type=doc&id=2682014.1
  https://support.oracle.com/rs?type=doc&id=2683787.1
  https://support.oracle.com/rs?type=doc&id=2683788.1
  https://support.oracle.com/rs?type=doc&id=2683789.1
  https://support.oracle.com/rs?type=doc&id=2682045.1
  https://support.oracle.com/rs?type=doc&id=2683831.1
  https://support.oracle.com/rs?type=doc&id=2682010.1
  https://support.oracle.com/rs?type=doc&id=2683832.1
  https://support.oracle.com/rs?type=doc&id=2682500.1
  https://support.oracle.com/rs?type=doc&id=2683241.1
  https://support.oracle.com/rs?type=doc&id=2682011.1
  https://support.oracle.com/rs?type=doc&id=2683840.1
  https://support.oracle.com/rs?type=doc&id=2682018.1
  https://support.oracle.com/rs?type=doc&id=2683841.1
  https://support.oracle.com/rs?type=doc&id=2683842.1
  https://support.oracle.com/rs?type=doc&id=2683843.1
  https://support.oracle.com/rs?type=doc&id=2683845.1

RHEL 7: new rh-redis5-redis packages.
New packages are available:
  RHEL 7: rh-redis5-redis 5.0.5-1.el7

RHEL 8: new redis-5 module.
The following module is updated:
  RHEL 8 Module: redis:5

Ubuntu: new redis packages.
New packages are available:
  Ubuntu 19.04: redis 5:5.0.3-4ubuntu0.1
  Ubuntu 18.04 LTS: redis 5:4.0.9-1ubuntu0.2
  Ubuntu 16.04 LTS: redis 2:3.0.6-1ubuntu0.4
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