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CVE-2018-19046

4.7 · MEDIUM

keepalived 2.0.8 didn't check for existing plain files when writing data to a temporary file upon a call to PrintData or PrintStats.

Published Nov 8, 2018CWE-200EPSS 0.37%

Overview

CVE-2018-19046 is a medium-severity vulnerability. It was published on November 8, 2018 and has a CVSS 3.0 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

keepalived 2.0.8 didn't check for existing plain files when writing data to a temporary file upon a call to PrintData or PrintStats. If a local attacker had previously created a file with the expected name (e.g., /tmp/keepalived.data or /tmp/keepalived.stats), with read access for the attacker and write access for the keepalived process, then this potentially leaked sensitive information.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.suse.com/show_bug.cgi?id=1015141GitHubgithub.com/acassen/keepalived/issues/1048Refsecurity.gentoo.org/glsa/201903-01Refbugzilla.suse.com/show_bug.cgi?id=1015141GitHubgithub.com/acassen/keepalived/issues/1048Refsecurity.gentoo.org/glsa/201903-01

How CyberStrike helps

Frequently asked questions

What is CVE-2018-19046?

CVE-2018-19046 is a medium-severity vulnerability. It was published on November 8, 2018 and has a CVSS 3.0 base score of 4.7 (MEDIUM).

How severe is CVE-2018-19046?

This vulnerability has a CVSS 3.0 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-19046?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-19046?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-19046 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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