What is the severity of CVE-2017-5636?

CVE-2017-5636 has been classified as a critical vulnerability due to its potential to allow unauthorized user impersonation in Apache NiFi.

How do I fix CVE-2017-5636?

To fix CVE-2017-5636, you should upgrade to Apache NiFi version 1.1.2 or later, or 0.7.2.

What kind of attack does CVE-2017-5636 expose systems to?

CVE-2017-5636 exposes systems to injection attacks where crafted usernames can exploit user impersonation vulnerabilities.

Is CVE-2017-5636 applicable to all versions of Apache NiFi?

CVE-2017-5636 is applicable to Apache NiFi versions 0.7.0, 0.7.1, 1.1.0, and 1.1.1 prior to their corresponding patches.

What impact does CVE-2017-5636 have on clustered environments?

In clustered environments, CVE-2017-5636 allows attackers to gain unauthorized permissions on replicated requests, resulting in security breaches.

Vulnerability/
CVE-2017-5636

critical

9.8

CWE

19/10/2017

7/11/2017

CVE-2017-5636

First published: Thu Oct 19 2017(Updated: )

In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.

Credit: security@apache.org

Affected Software	Affected Version	How to fix
Apache NiFi	=0.7.0
Apache NiFi	=0.7.1
Apache NiFi	=1.1.0
Apache NiFi	=1.1.1

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Frequently Asked Questions

What is the severity of CVE-2017-5636?
CVE-2017-5636 has been classified as a critical vulnerability due to its potential to allow unauthorized user impersonation in Apache NiFi.
How do I fix CVE-2017-5636?
To fix CVE-2017-5636, you should upgrade to Apache NiFi version 1.1.2 or later, or 0.7.2.
What kind of attack does CVE-2017-5636 expose systems to?
CVE-2017-5636 exposes systems to injection attacks where crafted usernames can exploit user impersonation vulnerabilities.
Is CVE-2017-5636 applicable to all versions of Apache NiFi?
CVE-2017-5636 is applicable to Apache NiFi versions 0.7.0, 0.7.1, 1.1.0, and 1.1.1 prior to their corresponding patches.
What impact does CVE-2017-5636 have on clustered environments?
In clustered environments, CVE-2017-5636 allows attackers to gain unauthorized permissions on replicated requests, resulting in security breaches.

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version/apache nifi/0.7.0
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version/apache nifi/1.1.0
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Frequently Asked Questions

What is the severity of CVE-2017-5636?
CVE-2017-5636 has been classified as a critical vulnerability due to its potential to allow unauthorized user impersonation in Apache NiFi.
How do I fix CVE-2017-5636?
To fix CVE-2017-5636, you should upgrade to Apache NiFi version 1.1.2 or later, or 0.7.2.
What kind of attack does CVE-2017-5636 expose systems to?
CVE-2017-5636 exposes systems to injection attacks where crafted usernames can exploit user impersonation vulnerabilities.
Is CVE-2017-5636 applicable to all versions of Apache NiFi?
CVE-2017-5636 is applicable to Apache NiFi versions 0.7.0, 0.7.1, 1.1.0, and 1.1.1 prior to their corresponding patches.
What impact does CVE-2017-5636 have on clustered environments?
In clustered environments, CVE-2017-5636 allows attackers to gain unauthorized permissions on replicated requests, resulting in security breaches.