A vulnerability was found in Foscam C1 Indoor HD Camera 2.52.2.43 (Network Camera Software). It has been rated as critical. Affected by this issue is an unknown code block of the component DDNS Client. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.

The bug was discovered 11/13/2017. The weakness was released 09/17/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2017-2854 since 11/30/2016. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 308 days. During that time the estimated underground price was around $0-$5k.

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

Entries connected to this vulnerability are available at VDB-124140, VDB-124139, VDB-124138 and VDB-124137.

Productinfo

Type

• Network Camera Software

Vendor

• Foscam

Name

• C1 Indoor HD Camera

Version

• 2.52.2.43

License

• commercial

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CPE 2.2info

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