vulnerability
Ubuntu: USN-4537-1 (CVE-2020-15703): Aptdaemon vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Sep 24, 2020 | Sep 25, 2020 | Mar 22, 2023 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Sep 24, 2020
Added
Sep 25, 2020
Modified
Mar 22, 2023
Description
There is no input validation on the Locale property in an apt transaction. An unprivileged user can supply a full path to a writable directory, which lets aptd read a file as root. Having a symlink in place results in an error message if the file exists, and no error otherwise. This way an unprivileged user can check for the existence of any files on the system as root.
Solution
ubuntu-upgrade-aptdaemon
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