Foscam C1 Indoor HD Camera 2.52.2.43 DDNS Client memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability was found in Foscam C1 Indoor HD Camera 2.52.2.43 (Network Camera Software) and classified as very critical. Affected by this issue is an unknown part 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 disclosed 09/19/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2017-2855 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/17/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 310 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.

The entries 124236, 124235, 124234 and 124233 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Talos): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/30/2016 🔍
11/13/2017 +347 days 🔍
09/19/2018 +309 days 🔍
09/19/2018 +0 days 🔍
09/20/2018 +1 days 🔍
05/17/2023 +1700 days 🔍

Sourcesinfo

Vendor: foscam.com

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2017-2855 (🔍)
See also: 🔍

Entryinfo

Created: 09/20/2018 08:06
Updated: 05/17/2023 08:48
Changes: 09/20/2018 08:06 (58), 03/25/2020 09:00 (1), 05/17/2023 08:48 (14)
Complete: 🔍
Cache ID: 3:B3C:103

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