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CVE-2019-14287

8.8 · HIGH

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a c…

Published Oct 17, 2019CWE-755EPSS 63.76%

Overview

CVE-2019-14287 is a high-severity vulnerability. It was published on October 17, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command.

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/2019-10/msg00042.htmlReflists.opensuse.org/opensuse-security-announce/2019-10/msg00047.htmlRefpacketstormsecurity.com/files/154853/Slackware-Security-Advisory-sudo-Updates.htmlRefwww.openwall.com/lists/oss-security/2019/10/14/1Refwww.openwall.com/lists/oss-security/2019/10/24/1Refwww.openwall.com/lists/oss-security/2019/10/29/3Refwww.openwall.com/lists/oss-security/2021/09/14/2Refaccess.redhat.com/errata/RHBA-2019:3248Refaccess.redhat.com/errata/RHSA-2019:3197Refaccess.redhat.com/errata/RHSA-2019:3204

How CyberStrike helps

Frequently asked questions

What is CVE-2019-14287?

CVE-2019-14287 is a high-severity vulnerability. It was published on October 17, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2019-14287?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-14287?

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-2019-14287?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-14287 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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