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Vulnerability of Alpine: information disclosure via PREAUTH Insecure Connection

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via PREAUTH Insecure Connection of Alpine, in order to obtain sensitive information.
Impacted products: Debian, Fedora.
Severity of this bulletin: 1/4.
Creation date: 26/06/2020.
Références of this threat: CVE-2020-14929, DLA-2254-1, FEDORA-2020-386249cec2, FEDORA-2020-f822ea9330, VIGILANCE-VUL-32625.

Description of the vulnerability 

An attacker can bypass access restrictions to data via PREAUTH Insecure Connection of Alpine, in order to obtain sensitive information.
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This security weakness impacts software or systems such as Debian, Fedora.

Our Vigil@nce team determined that the severity of this threat bulletin is low.

The trust level is of type confirmed by the editor, with an origin of intranet server.

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

Debian 8: new alpine packages.
New packages are available:
  Debian 8: alpine 2.11+dfsg1-3+deb8u1

Fedora 31-32: new alpine packages.
New packages are available:
  Fedora 31: alpine 2.23-2.fc31
  Fedora 32: alpine 2.23-2.fc32
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