Apple iOS 10/10.1 on iPhone Lockscreen improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability classified as critical has been found in Apple iOS 10/10.1 on iPhone (Smartphone Operating System). This affects an unknown function of the component Lockscreen. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 11/17/2016 by Benjamin Kunz Mejri as VL-ID 2012 / 648680301 as confirmed advisory (Website). The advisory is shared at vulnerability-lab.com. The public release happened without involvement of Apple. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

Due to the last updates to ios 10.0 and 10.1 there are some new features. When you process to say to siri `Hi Siri call George via Facetime` ... Siri will answer `I can't call the user`. Now you say again `call George via Facetime`. Next to that push and hold the middle of the display ... now a second button under the first siri call becomes visible with the already well known `Others` function. Push the button and the contact list opens. In that modus it is not possible to move inside the contacts because they are grey, but you can preview all the names and use the search as well. A full escalte is at that point not possible.

A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. The exploit is shared for download at vulnerability-lab.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

The best possible mitigation is suggested to be Workaround.

Further details are available at seclists.org. Entries connected to this vulnerability are available at 93679, 93680 and 93682.

Productinfo

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Vendor

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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: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Benjamin Kunz Mejri
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

11/17/2016 🔍
11/17/2016 +0 days 🔍
11/19/2016 +2 days 🔍
07/25/2019 +978 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: VL-ID 2012 / 648680301
Researcher: Benjamin Kunz Mejri
Status: Confirmed
scip Labs: https://www.scip.ch/en/?labs.20150917
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/19/2016 17:33
Updated: 07/25/2019 06:18
Changes: 11/19/2016 17:33 (52), 07/25/2019 06:18 (2)
Complete: 🔍

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