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Oracle Linux: (CVE-2018-19044) ELSA-2019-2285: keepalived security and bug fix update

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Oracle Linux: (CVE-2018-19044) ELSA-2019-2285: keepalived security and bug fix update

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:N/I:P/A:P)
Published
11/08/2018
Created
07/23/2020
Added
07/21/2020
Modified
07/21/2020

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(s)

  • oracle-linux-upgrade-keepalived

References

  • ELSA-2019-2285
  • CVE-2018-19044

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