Description

An issue was discovered on Vera VeraEdge 1.7.19 and Veralite 1.7.481 devices. The device provides UPnP services that are available on port 3480 and can also be accessed via port 80 using the url "/port_3480". It seems that the UPnP services provide "request_image" as one of the service actions for a normal user to retrieve an image from a camera that is controlled by the controller. It seems that the "res" (resolution) parameter passed in the query string is not sanitized and is stored on the stack which allows an attacker to overflow the buffer. The function "LU::Generic_IP_Camera_Manager::REQ_Image" is activated when the lu_request_image is passed as the "id" parameter in the query string. This function then calls "LU::Generic_IP_Camera_Manager::GetUrlFromArguments". This function retrieves all the parameters passed in the query string including "res" and then uses the value passed in it to fill up buffer using the sprintf function. However, the function in this case lacks a simple length check and as a result an attacker who is able to send more than 184 characters can easily overflow the values stored on the stack including the $RA value and thus execute code on the device.

Metrics

 

CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score:  8.8 HIGH

Vector:  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 Severity and Vector Strings:

NIST: NVD

Base Score:  9.0 HIGH

Vector:  (AV:N/AC:L/Au:S/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://packetstormsecurity.com/files/153242/Veralite-Veraedge-Router-XSS-Command-Injection-CSRF-Traversal.html	Third Party Advisory  VDB Entry
https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Vera_sec_issues.pdf	Exploit  Third Party Advisory
https://seclists.org/bugtraq/2019/Jun/8	Mailing List  Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

CVE Modified by MITRE 5/14/2024 12:48:57 AM

Action	Type	Old Value	New Value

Initial Analysis by NIST 6/20/2019 9:29:46 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR *cpe:2.3:o:getvera:veraedge_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.7.19 OR cpe:2.3:h:getvera:veraedge:-:*:*:*:*:*:*:*
Added	CPE Configuration		AND OR *cpe:2.3:o:getvera:veralite_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.7.481 OR cpe:2.3:h:getvera:veralite:-:*:*:*:*:*:*:*
Added	CVSS V2		(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Added	CVSS V3		AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CWE		CWE-119
Changed	Reference Type	http://packetstormsecurity.com/files/153242/Veralite-Veraedge-Router-XSS-Command-Injection-CSRF-Traversal.html No Types Assigned	http://packetstormsecurity.com/files/153242/Veralite-Veraedge-Router-XSS-Command-Injection-CSRF-Traversal.html Third Party Advisory, VDB Entry
Changed	Reference Type	https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Vera_sec_issues.pdf No Types Assigned	https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Vera_sec_issues.pdf Exploit, Third Party Advisory
Changed	Reference Type	https://seclists.org/bugtraq/2019/Jun/8 No Types Assigned	https://seclists.org/bugtraq/2019/Jun/8 Mailing List, Third Party Advisory