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CVE-2017-6507

5.9 · MEDIUM

An issue was discovered in AppArmor before 2.12.

Published Mar 24, 2017CWE-269EPSS 1.59%

Overview

CVE-2017-6507 is a medium-severity vulnerability. It was published on March 24, 2017 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in AppArmor before 2.12. Incorrect handling of unknown AppArmor profiles in AppArmor init scripts, upstart jobs, and/or systemd unit files allows an attacker to possibly have increased attack surfaces of processes that were intended to be confined by AppArmor. This is due to the common logic to handle 'restart' operations removing AppArmor profiles that aren't found in the typical filesystem locations, such as /etc/apparmor.d/. Userspace projects that manage their own AppArmor profiles in atypical directories, such as what's done by LXD and Docker, are affected by this flaw in the AppArmor init script logic.

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

Refbazaar.launchpad.net/~apparmor-dev/apparmor/master/revision/3647Refbazaar.launchpad.net/~apparmor-dev/apparmor/master/revision/3648Refwww.securityfocus.com/bid/97223Refbugs.launchpad.net/apparmor/+bug/1668892Refpeople.canonical.com/~ubuntu-security/cve/2017/CVE-2017-6507.htmlRefbazaar.launchpad.net/~apparmor-dev/apparmor/master/revision/3647Refbazaar.launchpad.net/~apparmor-dev/apparmor/master/revision/3648Refwww.securityfocus.com/bid/97223Refbugs.launchpad.net/apparmor/+bug/1668892Refpeople.canonical.com/~ubuntu-security/cve/2017/CVE-2017-6507.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6507?

CVE-2017-6507 is a medium-severity vulnerability. It was published on March 24, 2017 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2017-6507?

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-6507?

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-2017-6507?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6507 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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