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amazonAmazonALAS-2021-1526
HistorySep 02, 2021 - 10:54 p.m.

Important: glib2

2021-09-0222:54:00
alas.aws.amazon.com
11

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

73.8%

Issue Overview:

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. (CVE-2021-27219)

Affected Packages:

glib2

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

New Packages:

i686:  
    glib2-debuginfo-2.36.3-5.22.amzn1.i686  
    glib2-devel-2.36.3-5.22.amzn1.i686  
    glib2-fam-2.36.3-5.22.amzn1.i686  
    glib2-2.36.3-5.22.amzn1.i686  
  
noarch:  
    glib2-doc-2.36.3-5.22.amzn1.noarch  
  
src:  
    glib2-2.36.3-5.22.amzn1.src  
  
x86_64:  
    glib2-2.36.3-5.22.amzn1.x86_64  
    glib2-devel-2.36.3-5.22.amzn1.x86_64  
    glib2-fam-2.36.3-5.22.amzn1.x86_64  
    glib2-debuginfo-2.36.3-5.22.amzn1.x86_64  

Additional References

Red Hat: CVE-2021-27219

Mitre: CVE-2021-27219

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

73.8%