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CVE-2017-18367

7.5 · HIGH

libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them.

Published Apr 24, 2019CWE-20EPSS 2.43%

Overview

CVE-2017-18367 is a high-severity vulnerability. It was published on April 24, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.

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

Refwww.openwall.com/lists/oss-security/2019/04/25/6Refaccess.redhat.com/errata/RHSA-2019:4087Refaccess.redhat.com/errata/RHSA-2019:4090GitHubgithub.com/seccomp/libseccomp-golang/commit/06e7a29f36a34b8cf419aeb87b979ee508e58f9eGitHubgithub.com/seccomp/libseccomp-golang/issues/22Reflists.debian.org/debian-lts-announce/2020/08/msg00016.htmlRefusn.ubuntu.com/4574-1/Refwww.openwall.com/lists/oss-security/2019/04/25/6Refaccess.redhat.com/errata/RHSA-2019:4087Refaccess.redhat.com/errata/RHSA-2019:4090

How CyberStrike helps

Frequently asked questions

What is CVE-2017-18367?

CVE-2017-18367 is a high-severity vulnerability. It was published on April 24, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-18367?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-18367?

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-2017-18367?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-18367 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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