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CVE-2017-15589

6.5 · MEDIUM

An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause…

Published Oct 18, 2017CWE-200EPSS 0.41%

Overview

CVE-2017-15589 is a medium-severity vulnerability. It was published on October 18, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.

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.securityfocus.com/bid/101496Refwww.securitytracker.com/id/1039568Reflists.debian.org/debian-lts-announce/2017/11/msg00027.htmlReflists.debian.org/debian-lts-announce/2018/10/msg00009.htmlRefsecurity.gentoo.org/glsa/201801-14Refsupport.citrix.com/article/CTX228867Refwww.debian.org/security/2017/dsa-4050Refxenbits.xen.org/xsa/advisory-239.htmlRefwww.securityfocus.com/bid/101496Refwww.securitytracker.com/id/1039568

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15589?

CVE-2017-15589 is a medium-severity vulnerability. It was published on October 18, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2017-15589?

This vulnerability has a CVSS 3.0 base score of 6.5, 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-2017-15589?

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-2017-15589?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15589 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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