C4B OBD-II Dongle 2.x/3.4.x Firmware Update Handler privilege escalation : 8/24/2015 3:38:23 AM
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C4B OBD-II Dongle 2.x/3.4.x Firmware Update Handler privilege escalation
8/22/2015 7:00:00 PM
General
scipID: 77383
Affected: C4B OBD-II Dongle 2.x/3.4.x
Published: 08/23/2015
Risk: critical
Created: 08/24/2015
Entry: 65.3% complete
Summary
A vulnerability classified as critical was found in C4B OBD-II Dongle 2.x/3.4.x. Affected by this vulnerability is an unknown function of the component Firmware Update Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
- DISPUTED ** Mobile Devices (aka MDI) C4 OBD-II dongles with firmware 2.x and 3.4.x, as used in Metromile Pulse and other products, do not validate firmware updates, which allows remote attackers to execute arbitrary code by specifying an update server. NOTE: the vendor states “This was a flaw for the developer/debugging devices, and was fixed in production version about 3 years ago.”
The weakness was presented 08/23/2015. This vulnerability is known as CVE-2015-2908. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.
The real existence of this vulnerability is still doubted at the moment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSS
Base Score: 6.0 (CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P) [?]
Temp Score: 6.0 (CVSS2#E:ND/RL:ND/RC:ND) [?]
CPE
Exploiting
Class: Privilege escalation
Local: No
Remote: Yes
Availability: No
Countermeasures
Recommended: no mitigation known
0-Day Time: 0 days since found
Timeline
08/23/2015 | Advisory disclosed
08/24/2015 | VulDB entry created
08/24/2015 | VulDB entry updated
Sources
Disputed: Yes
CVE: CVE-2015-2908 (mitre.org) (nvd.nist.org) (cvedetails.com)
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