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CVE-2016-7076

6.4 · MEDIUM

sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument.

Published May 29, 2018CWE-184EPSS 0.48%

Overview

CVE-2016-7076 is a medium-severity vulnerability. It was published on May 29, 2018 and has a CVSS 3.0 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.

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

Refrhn.redhat.com/errata/RHSA-2016-2872.htmlRefwww.securityfocus.com/bid/95778Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076Refsecurity.netapp.com/advisory/ntap-20181127-0002/Refusn.ubuntu.com/3968-1/Refusn.ubuntu.com/3968-3/Refwww.sudo.ws/alerts/noexec_wordexp.htmlRefrhn.redhat.com/errata/RHSA-2016-2872.htmlRefwww.securityfocus.com/bid/95778Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076

How CyberStrike helps

Frequently asked questions

What is CVE-2016-7076?

CVE-2016-7076 is a medium-severity vulnerability. It was published on May 29, 2018 and has a CVSS 3.0 base score of 6.4 (MEDIUM).

How severe is CVE-2016-7076?

This vulnerability has a CVSS 3.0 base score of 6.4, 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-2016-7076?

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-2016-7076?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-7076 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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