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Improper Certificate Validation Affecting glib-networking package, versions <2.58.0-2+deb10u1

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.55% (78th percentile)
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NVD
6.5 medium
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SUSE
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-DEBIAN10-GLIBNETWORKING-570563
  • published 28 May 2020
  • disclosed 28 May 2020
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Introduced: 28 May 2020

CVE-2020-13645 Open this link in a new tab
CWE-295 Open this link in a new tab

How to fix?

Upgrade Debian:10 glib-networking to version 2.58.0-2+deb10u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib-networking package and not the glib-networking package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to specify the expected server identity. This is in contrast to its intended documented behavior, to fail the certificate verification. Applications that fail to provide the server identity, including Balsa before 2.5.11 and 2.6.x before 2.6.1, accept a TLS certificate if the certificate is valid for any host.

References