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Race Condition Affecting glib2 package, versions <0:2.36.3-5.21.amzn1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High

    Threat Intelligence

    EPSS 1.37% (87th percentile)
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NVD
9.8 critical
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SUSE
8.1 high
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Red Hat
6.6 medium

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  • Snyk ID SNYK-AMZN201803-GLIB2-1718331
  • published 27 Sep 2021
  • disclosed 29 May 2019
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Introduced: 29 May 2019

CVE-2019-12450 Open this link in a new tab
CWE-362 Open this link in a new tab
CWE-276 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 glib2 to version 0:2.36.3-5.21.amzn1 or higher.
This issue was patched in ALAS-2019-1256.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib2 package and not the glib2 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

file_copy_fallback in gio/gfile.c in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict file permissions while a copy operation is in progress. Instead, default permissions are used.