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amazonAmazonALAS2-2020-1553
HistoryNov 09, 2020 - 5:10 p.m.

Medium: glib2

2020-11-0917:10:00
alas.aws.amazon.com
61

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.014 Low

EPSS

Percentile

86.1%

Issue Overview:

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. (CVE-2019-12450)

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:  
    glib2-2.56.1-7.amzn2.0.1.aarch64  
    glib2-devel-2.56.1-7.amzn2.0.1.aarch64  
    glib2-fam-2.56.1-7.amzn2.0.1.aarch64  
    glib2-static-2.56.1-7.amzn2.0.1.aarch64  
    glib2-tests-2.56.1-7.amzn2.0.1.aarch64  
    glib2-debuginfo-2.56.1-7.amzn2.0.1.aarch64  
  
i686:  
    glib2-2.56.1-7.amzn2.0.1.i686  
    glib2-devel-2.56.1-7.amzn2.0.1.i686  
    glib2-fam-2.56.1-7.amzn2.0.1.i686  
    glib2-static-2.56.1-7.amzn2.0.1.i686  
    glib2-tests-2.56.1-7.amzn2.0.1.i686  
    glib2-debuginfo-2.56.1-7.amzn2.0.1.i686  
  
noarch:  
    glib2-doc-2.56.1-7.amzn2.0.1.noarch  
  
src:  
    glib2-2.56.1-7.amzn2.0.1.src  
  
x86_64:  
    glib2-2.56.1-7.amzn2.0.1.x86_64  
    glib2-devel-2.56.1-7.amzn2.0.1.x86_64  
    glib2-fam-2.56.1-7.amzn2.0.1.x86_64  
    glib2-static-2.56.1-7.amzn2.0.1.x86_64  
    glib2-tests-2.56.1-7.amzn2.0.1.x86_64  
    glib2-debuginfo-2.56.1-7.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2019-12450

Mitre: CVE-2019-12450

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.014 Low

EPSS

Percentile

86.1%