Foscam C2/Opticam i5 ProductConfig.xml os command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Foscam C2 and Opticam i5. This issue affects some unknown processing of the file /mnt/mtd/app/config/ProductConfig.xml. Such manipulation leads to os command injection. This vulnerability is listed as CVE-2018-19073. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Foscam C2 and Opticam i5 (affected version not known). It has been rated as critical. Affected by this issue is some unknown functionality of the file /mnt/mtd/app/config/ProductConfig.xml. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on Foscam C2 devices with System Firmware 1.11.1.8 and Application Firmware 2.72.1.32, and Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. They allow attackers to execute arbitrary OS commands via shell metacharacters in the modelName, by leveraging /mnt/mtd/app/config/ProductConfig.xml write access.

The bug was discovered 11/07/2018. The weakness was presented 11/07/2018 (Website). The advisory is shared for download at sintonen.fi. This vulnerability is handled as CVE-2018-19073 since 11/07/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

By approaching the search of inurl:mnt/mtd/app/config/ProductConfig.xml it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-126545, VDB-126546, VDB-126547 and VDB-126550 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Foscam

Name

• C2
• Opticam i5

License

• commercial

Website

• Vendor: https://www.foscam.com/

CPE 2.3info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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