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Ubuntu: USN-4764-1 (CVE-2021-28153): GLib vulnerability

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Ubuntu: USN-4764-1 (CVE-2021-28153): GLib vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
03/11/2021
Created
03/18/2021
Added
03/16/2021
Modified
03/22/2023

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.)

Solution(s)

  • ubuntu-upgrade-libglib2-0-0

References

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