Google Android UPnP Daemon improper authorization

Summaryinfo

A vulnerability classified as critical has been found in Google Android. This issue affects some unknown processing of the component UPnP Daemon. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2018-11946. The attack needs to be initiated within the local network. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known) and classified as critical. This issue affects some unknown processing of the component UPnP Daemon. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, the UPnP daemon should not be running out of box because it enables port forwarding without authentication.

The bug was discovered 11/05/2018. The weakness was published 11/27/2018 (Website). It is possible to read the advisory at source.codeaurora.org. The identification of this vulnerability is CVE-2018-11946 since 06/07/2018. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/11/2023). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-127177, VDB-127176, VDB-127174 and VDB-127173. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

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