Open-Xchange OX AppSuite Backend access control

Summaryinfo

A vulnerability identified as critical has been detected in Open-Xchange OX AppSuite up to 7.6.3-rev34/7.8.2-rev37/3.8.3-rev40/7.8.4-rev18. Impacted is an unknown function of the component Backend. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-17062. The attack is possible to be carried out remotely. Moreover, an exploit is present. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Open-Xchange OX AppSuite up to 7.6.3-rev34/7.8.2-rev37/3.8.3-rev40/7.8.4-rev18 (Groupware Software) and classified as critical. This issue affects some unknown functionality of the component Backend. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The backend component in Open-Xchange OX App Suite before 7.6.3-rev35, 7.8.x before 7.8.2-rev38, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev19 allows remote authenticated users to save arbitrary user attributes by leveraging improper privilege management.

The bug was discovered 06/08/2018. The weakness was disclosed 06/16/2018 as EDB-ID 44881 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-17062 since 11/29/2017. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 7.6.3-rev35/7.8.2-rev38/3.8.3-rev41/7.8.4-rev19 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44881). The entries VDB-119609, VDB-119608, VDB-119610 and VDB-119611 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Groupware Software

Vendor

• Open-Xchange

Name

• OX AppSuite

Version

• 3.8.3-rev40
• 7.6.3-rev34
• 7.8.2-rev37
• 7.8.4-rev18

License

• open-source

Website

• Vendor: https://www.open-xchange.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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