Apple iOS iMessage Emoji denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS. It has been rated as critical. Affected by this issue is some unknown functionality of the component iMessage. The manipulation with the input ????️0???? as part of Emoji leads to denial of service. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is best practice to apply the suggested workaround.

Detailsinfo

A vulnerability was found in Apple iOS (Smartphone Operating System) (version unknown) and classified as critical. This issue affects an unknown function of the component iMessage. The manipulation with the input value ????️0???? leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 01/17/2017 by EverythingApplePro as confirmed video (Youtube). It is possible to read the advisory at youtube.com. The vendor was not involved in the public release. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

A public exploit has been developed by EverythingApplePro and been published immediately after the advisory. The exploit is available at youtube.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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

Video

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.0
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: EverythingApplePro
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: 🔍

Workaround: vincedes3.com

Timelineinfo

01/17/2017 🔍
01/17/2017 +0 days 🔍
01/18/2017 +1 days 🔍
07/24/2020 +1283 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: youtube.com
Researcher: EverythingApplePro
Status: Confirmed

GCVE (VulDB): GCVE-100-95459
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/18/2017 15:26
Updated: 07/24/2020 11:54
Changes: 01/18/2017 15:26 (50), 07/24/2020 11:54 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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