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Red Hat: CVE-2018-19044: Moderate: keepalived security and bug fix update (RHSA-2019:2285)

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Red Hat: CVE-2018-19044: Moderate: keepalived security and bug fix update (RHSA-2019:2285)

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:N/I:P/A:P)
Published
11/08/2018
Created
08/08/2019
Added
08/07/2019
Modified
03/03/2021

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)

  • redhat-upgrade-keepalived
  • redhat-upgrade-keepalived-debuginfo

References

  • CVE-2018-19044
  • RHSA-2019:2285

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