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CVE-2018-19044 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:2285 | CVE | |
| https://bugzilla.suse.com/show_bug.cgi?id=1015141 | CVE | Issue TrackingThird Party Advisory |
| https://github.com/acassen/keepalived/commit/04f2d32871bb3b11d7dc024039952f2fe2750306 | CVE | PatchThird Party Advisory |
| https://github.com/acassen/keepalived/issues/1048 | CVE | ExploitPatchThird Party Advisory |
| https://security.gentoo.org/glsa/201903-01 | CVE | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:2285 | [email protected] | |
| https://bugzilla.suse.com/show_bug.cgi?id=1015141 | [email protected] | Issue TrackingThird Party Advisory |
| https://github.com/acassen/keepalived/commit/04f2d32871bb3b11d7dc024039952f2fe2750306 | [email protected] | PatchThird Party Advisory |
| https://github.com/acassen/keepalived/issues/1048 | [email protected] | ExploitPatchThird Party Advisory |
| https://security.gentoo.org/glsa/201903-01 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-59 | Improper Link Resolution Before File Access ('Link Following') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| keepalived keepalived | 2.0.8 |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Aug 6, 2019 | CVE Modified | [email protected] |
| Mar 13, 2019 | Modified Analysis | [email protected] |
| Mar 10, 2019 | CVE Modified | [email protected] |
| Jan 9, 2019 | Initial Analysis | [email protected] |