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CVE-2018-11560: Insteon 2864 222 Firmware: Buffer overflow
CVE-2018-11560 is rated critical with a CVSS v3.1 base score of 9.8 and NVD lists Insteon 2864 222 Firmware as the affected product. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
The webService binary on Insteon HD IP Camera White 2864-222 devices has a stack-based Buffer Overflow leading to Control-Flow Hijacking via a crafted usr key, as demonstrated by a long remoteIp parameter to cgi-bin/CGIProxy.fcgi on port 34100.
Severity breakdown
CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-787: Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
Affected products
- Insteon 2864 222 Firmware: all versions listed by NVD