Juniper Junos Space up to 18.2 Image File unrestricted upload

Summaryinfo

A vulnerability was found in Juniper Junos Space up to 18.2. It has been declared as critical. Impacted is an unknown function of the component Image File Handler. Executing a manipulation can lead to unrestricted upload. This vulnerability is tracked as CVE-2019-0017. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Juniper Junos Space up to 18.2 (Router Operating System). This vulnerability affects some unknown processing of the component Image File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Junos Space application, which allows Device Image files to be uploaded, has insufficient validity checking which may allow uploading of malicious images or scripts, or other content types. Affected releases are Juniper Networks Junos Space versions prior to 18.3R1.

The bug was discovered 01/09/2019. The weakness was disclosed 01/15/2019 (Website). The advisory is shared for download at kb.juniper.net. This vulnerability was named CVE-2019-0017 since 10/11/2018. The exploitation appears to be easy. The attack can be initiated remotely. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability scanner Nessus provides a plugin with the ID 121067 (Juniper Junos Space < 18.3R1 Multiple Vulnerabilities (JSA10917)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks and running in the context l.

Upgrading to version 18.3R1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121067). The entry VDB-129771 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos Space

Version

• 18.0
• 18.1
• 18.2

License

• commercial

Website

• Vendor: https://www.juniper.net/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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