Lucene search

K
amazonAmazonALAS-2024-2487
HistoryFeb 29, 2024 - 10:03 a.m.

Low: glib2

2024-02-2910:03:00
alas.aws.amazon.com
8
glib
vulnerability
dangling symlink

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.009 Low

EPSS

Percentile

82.8%

Issue Overview:

An issue was discovered in GNOME GLib before 2.66.8. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is attacker-controlled. (If the path is a symlink to a file that already exists, then the contents of that file correctly remain unchanged.) (CVE-2021-28153)

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.amzn2.0.7.aarch64  
    glib2-devel-2.56.1-9.amzn2.0.7.aarch64  
    glib2-fam-2.56.1-9.amzn2.0.7.aarch64  
    glib2-static-2.56.1-9.amzn2.0.7.aarch64  
    glib2-tests-2.56.1-9.amzn2.0.7.aarch64  
    glib2-debuginfo-2.56.1-9.amzn2.0.7.aarch64  
  
i686:  
    glib2-2.56.1-9.amzn2.0.7.i686  
    glib2-devel-2.56.1-9.amzn2.0.7.i686  
    glib2-fam-2.56.1-9.amzn2.0.7.i686  
    glib2-static-2.56.1-9.amzn2.0.7.i686  
    glib2-tests-2.56.1-9.amzn2.0.7.i686  
    glib2-debuginfo-2.56.1-9.amzn2.0.7.i686  
  
noarch:  
    glib2-doc-2.56.1-9.amzn2.0.7.noarch  
  
src:  
    glib2-2.56.1-9.amzn2.0.7.src  
  
x86_64:  
    glib2-2.56.1-9.amzn2.0.7.x86_64  
    glib2-devel-2.56.1-9.amzn2.0.7.x86_64  
    glib2-fam-2.56.1-9.amzn2.0.7.x86_64  
    glib2-static-2.56.1-9.amzn2.0.7.x86_64  
    glib2-tests-2.56.1-9.amzn2.0.7.x86_64  
    glib2-debuginfo-2.56.1-9.amzn2.0.7.x86_64  

Additional References

Red Hat: CVE-2021-28153

Mitre: CVE-2021-28153

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

Low

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.009 Low

EPSS

Percentile

82.8%