PRTG Network Monitor up to 18.2.40 /api/addusers HTTP Request access control

Summaryinfo

A vulnerability was found in PRTG Network Monitor up to 18.2.40. It has been declared as critical. The affected element is an unknown function of the file /api/addusers. The manipulation as part of HTTP Request results in access control. This vulnerability is identified as CVE-2018-19411. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in PRTG Network Monitor up to 18.2.40 (Network Management Software). Affected is some unknown processing of the file /api/addusers. The manipulation as part of a HTTP Request leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

PRTG Network Monitor before 18.2.40.1683 allows an authenticated user with a read-only account to create another user with a read-write account (including administrator) via an HTTP request because /api/addusers doesn't check, or doesn't properly check, user rights.

The bug was discovered 10/26/2018. The weakness was released 11/21/2018 (Website). The advisory is shared for download at ptsecurity.com. This vulnerability is traded as CVE-2018-19411 since 11/21/2018. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 26 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13352 (PRTG Network Monitor Multiple Vulnerabilites).

Upgrading to version 18.2.40.1683 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-127055. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Network Management Software

Name

• PRTG Network Monitor

Version

• 18.2.0
• 18.2.1
• 18.2.2
• 18.2.3
• 18.2.4
• 18.2.5
• 18.2.6
• 18.2.7
• 18.2.8
• 18.2.9
• 18.2.10
• 18.2.11
• 18.2.12
• 18.2.13
• 18.2.14
• 18.2.15
• 18.2.16
• 18.2.17
• 18.2.18
• 18.2.19
• 18.2.20
• 18.2.21
• 18.2.22
• 18.2.23
• 18.2.24
• 18.2.25
• 18.2.26
• 18.2.27
• 18.2.28
• 18.2.29
• 18.2.30
• 18.2.31
• 18.2.32
• 18.2.33
• 18.2.34
• 18.2.35
• 18.2.36
• 18.2.37
• 18.2.38
• 18.2.39
• 18.2.40

CPE 2.3info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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