CVE-2021-28153

CVE Details

Release Date:2021-03-11

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.)

See more information about CVE-2021-28153 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 5.3 Base Metrics: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: Low Availability Impact: None

Errata information


PlatformErrataRelease Date
Oracle Linux version 8 (glib2)ELSA-2021-43852021-11-16



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