CVE-2018-19044

Medium

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.

SeverityMedium
CVSS4.7
Exploit probability—
ProductKeepalived
PublishedNov 8, 2018
First seenNov 8, 2018

How to fix

Affected products

ProductAffected versionsFixed in
keepalived keepalived2.0.8—

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