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CVE-2021-28153

CVE information

Published

3 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

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.).

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Medium
Base Score
5.3/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
1.4/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Low
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
  Yes
- 2.66.8
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:
  Yes
- -

References