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Vulnerability of Bouncy Castle: denial of service via OutOfMemory ASN.1

Synthesis of the vulnerability 

An attacker can trigger a fatal error via OutOfMemory ASN.1 of Bouncy Castle, in order to trigger a denial of service.
Vulnerable products: Bouncy Castle JCE, Oracle Communications, Oracle Fusion Middleware, Oracle OIT, Tuxedo, WebLogic.
Severity of this weakness: 2/4.
Creation date: 09/10/2019.
Références of this bulletin: cpuapr2020, cpujan2020, cpujul2020, cpuoct2020, CVE-2019-17359, VIGILANCE-VUL-30558.

Description of the vulnerability 

An attacker can trigger a fatal error via OutOfMemory ASN.1 of Bouncy Castle, in order to trigger a denial of service.
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This cybersecurity threat impacts software or systems such as Bouncy Castle JCE, Oracle Communications, Oracle Fusion Middleware, Oracle OIT, Tuxedo, WebLogic.

Our Vigil@nce team determined that the severity of this computer threat 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 security threat.

Solutions for this threat 

Bouncy Castle: version 1.64.
The version 1.64 is fixed:
  https://www.bouncycastle.org/

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

Oracle Communications: CPU of October 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2714788.1
  https://support.oracle.com/rs?type=doc&id=2713777.1
  https://support.oracle.com/rs?type=doc&id=2714789.1
  https://support.oracle.com/rs?type=doc&id=2714787.1
  https://support.oracle.com/rs?type=doc&id=2714763.1
  https://support.oracle.com/rs?type=doc&id=2714792.1
  https://support.oracle.com/rs?type=doc&id=2713779.1
  https://support.oracle.com/rs?type=doc&id=2713303.1
  https://support.oracle.com/rs?type=doc&id=2714790.1
  https://support.oracle.com/rs?type=doc&id=2712893.1
  https://support.oracle.com/rs?type=doc&id=2714764.1
  https://support.oracle.com/rs?type=doc&id=2714796.1
  https://support.oracle.com/rs?type=doc&id=2714988.1
  https://support.oracle.com/rs?type=doc&id=2714791.1

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

Oracle Fusion Middleware: CPU of January 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2602410.1

Oracle Fusion Middleware: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2664876.1
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