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CVE-2019-17009

7.8 · HIGH

When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the…

Published Jan 8, 2020EPSS 0.33%

Overview

CVE-2019-17009 is a high-severity vulnerability. It was published on January 8, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.*. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

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

Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlReflists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlRefbugzilla.mozilla.org/show_bug.cgi?id=1510494Refwww.mozilla.org/security/advisories/mfsa2019-36/Refwww.mozilla.org/security/advisories/mfsa2019-37/Refwww.mozilla.org/security/advisories/mfsa2019-38/Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlReflists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlRefbugzilla.mozilla.org/show_bug.cgi?id=1510494Refwww.mozilla.org/security/advisories/mfsa2019-36/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-17009?

CVE-2019-17009 is a high-severity vulnerability. It was published on January 8, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2019-17009?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-17009?

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-2019-17009?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-17009 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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