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Vulnerability of Arm Mbed TLS: information disclosure via ECDSA Side Channel Attack

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via ECDSA Side Channel Attack of Arm Mbed TLS, in order to obtain sensitive information.
Impacted products: Fedora.
Severity of this bulletin: 2/4.
Creation date: 05/06/2020.
Références of this threat: CVE-2020-10932, FEDORA-2020-42564738a1, FEDORA-2020-9a6e8e63e9, VIGILANCE-VUL-32445.

Description of the vulnerability 

An attacker can bypass access restrictions to data via ECDSA Side Channel Attack of Arm Mbed TLS, in order to obtain sensitive information.
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This vulnerability note impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 computer threat note.

Solutions for this threat 

Fedora 31-32: new mbedtls packages.
New packages are available:
  Fedora 31: mbedtls 2.16.6-1.fc31
  Fedora 32: mbedtls 2.16.6-1.fc32
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