vulnerability
Amazon Linux AMI: CVE-2018-19044: Security patch for keepalived (ALAS-2020-1414)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:L/AC:M/Au:N/C:N/I:P/A:P) | Nov 8, 2018 | Aug 13, 2020 | Aug 13, 2020 |
Severity
3
CVSS
(AV:L/AC:M/Au:N/C:N/I:P/A:P)
Published
Nov 8, 2018
Added
Aug 13, 2020
Modified
Aug 13, 2020
Description
keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to PrintData or PrintStats. This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalived.stats to /etc/passwd.
Solution
amazon-linux-upgrade-keepalived
References
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