Medium: glib2

Issue Overview:

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition. (CVE-2021-3800)

Affected Packages:

glib2

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update glib2 to update your system.

New Packages:

aarch64:  
    glib2-2.56.1-9.amzn2.0.5.aarch64  
    glib2-devel-2.56.1-9.amzn2.0.5.aarch64  
    glib2-fam-2.56.1-9.amzn2.0.5.aarch64  
    glib2-static-2.56.1-9.amzn2.0.5.aarch64  
    glib2-tests-2.56.1-9.amzn2.0.5.aarch64  
    glib2-debuginfo-2.56.1-9.amzn2.0.5.aarch64  
  
i686:  
    glib2-2.56.1-9.amzn2.0.5.i686  
    glib2-devel-2.56.1-9.amzn2.0.5.i686  
    glib2-fam-2.56.1-9.amzn2.0.5.i686  
    glib2-static-2.56.1-9.amzn2.0.5.i686  
    glib2-tests-2.56.1-9.amzn2.0.5.i686  
    glib2-debuginfo-2.56.1-9.amzn2.0.5.i686  
  
noarch:  
    glib2-doc-2.56.1-9.amzn2.0.5.noarch  
  
src:  
    glib2-2.56.1-9.amzn2.0.5.src  
  
x86_64:  
    glib2-2.56.1-9.amzn2.0.5.x86_64  
    glib2-devel-2.56.1-9.amzn2.0.5.x86_64  
    glib2-fam-2.56.1-9.amzn2.0.5.x86_64  
    glib2-static-2.56.1-9.amzn2.0.5.x86_64  
    glib2-tests-2.56.1-9.amzn2.0.5.x86_64  
    glib2-debuginfo-2.56.1-9.amzn2.0.5.x86_64  

Additional References

Red Hat: CVE-2021-3800

Mitre: CVE-2021-3800