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CVE-2017-6590

6.3 · MEDIUM

An issue was discovered in network-manager-applet (aka network-manager-gnome) in Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10.

Published Mar 9, 2017CWE-863EPSS 0.28%

Overview

CVE-2017-6590 is a medium-severity vulnerability. It was published on March 9, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.3, 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 network-manager-applet (aka network-manager-gnome) in Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10. A local attacker could use this issue at the default Ubuntu login screen to access local files and execute arbitrary commands as the lightdm user. The exploitation requires physical access to the locked computer and the Wi-Fi must be turned on. An access point that lets you use a certificate to login is required as well, but it's easy to create one. Then, it's possible to open a nautilus window and browse directories. One also can open some applications such as Firefox, which is useful for downloading malicious binaries.

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.securitytracker.com/id/1037977Refbugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1668321Refsecurity.gentoo.org/glsa/201707-09Refwww.ubuntu.com/usn/usn-3217-1/Refwww.youtube.com/watch?v=Fp2lwRVg0l0Refwww.securitytracker.com/id/1037977Refbugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1668321Refsecurity.gentoo.org/glsa/201707-09Refwww.ubuntu.com/usn/usn-3217-1/Refwww.youtube.com/watch?v=Fp2lwRVg0l0

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6590?

CVE-2017-6590 is a medium-severity vulnerability. It was published on March 9, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

How severe is CVE-2017-6590?

This vulnerability has a CVSS 3.0 base score of 6.3, 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-2017-6590?

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-2017-6590?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6590 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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