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CVE-2019-1029

5.9 · MEDIUM

A denial of service vulnerability exists in Skype for Business.

Published Jun 12, 2019EPSS 5.28%

Overview

CVE-2019-1029 is a medium-severity vulnerability. It was published on June 12, 2019 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

A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights.

To exploit the vulnerability, an attacker needs to obtain a dial-in link for a vulnerable server and then initiates a series of calls within a short amount of time.

The update addresses the vulnerability by correcting the way that Skype for Business server handles objects in 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

Refmsrc.microsoft.com/update-guide/vulnerability/CVE-2019-1029Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1029

How CyberStrike helps

Frequently asked questions

What is CVE-2019-1029?

CVE-2019-1029 is a medium-severity vulnerability. It was published on June 12, 2019 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2019-1029?

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-2019-1029?

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-2019-1029?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-1029 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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