ObiHai ObiPhone 1032/ObiPhone 1062 prior 5.0.0 Build 3497 WiFi Config /wifi checkssid privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in ObiHai ObiPhone 1032 and ObiPhone 1062. Affected by this issue is some unknown functionality of the file /wifi of the component WiFi Config. Executing a manipulation of the argument checkssid with the input $(/usr/sbin/telnetd%20&) can lead to privileges management. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ObiHai ObiPhone 1032 and ObiPhone 1062. It has been declared as critical. This vulnerability affects an unknown function of the file /wifi of the component WiFi Config. The manipulation of the argument checkssid with the input value $(/usr/sbin/telnetd%20&) leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 08/18/2016 by David Tomaschik with Google Security Team as ObiHai ObiPhone - Multiple Vulnerabilities as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. The public release was coordinated with the vendor. The mailinglist post contains:

Multiple vulnerabilities were discovered in the web management interface of the ObiHai ObiPhone products. The Vulnerabilities were discovered during a black box security assessment and therefore the vulnerability list should not be considered exhaustive.
The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed by David Tomaschik in URL and been published immediately after the advisory. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 98 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:

GET /wifi?checkssid=$(/usr/sbin/telnetd%20&) HTTP/1.1
Host: foo
Authorization: [omitted]

Upgrading to version 5.0.0 Build 3497 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-90915, VDB-90917, VDB-90918 and VDB-90919. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: David Tomaschik
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: ObiPhone 1032/ObiPhone 1062 5.0.0 Build 3497

Timelineinfo

05/12/2016 🔍
05/12/2016 +0 days 🔍
08/18/2016 +98 days 🔍
08/18/2016 +0 days 🔍
08/23/2016 +5 days 🔍
04/01/2019 +951 days 🔍

Sourcesinfo

Advisory: ObiHai ObiPhone - Multiple Vulnerabilities
Researcher: David Tomaschik
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-90916
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/23/2016 16:58
Updated: 04/01/2019 21:34
Changes: 08/23/2016 16:58 (58), 04/01/2019 21:34 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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