|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability, which was classified as critical, was found in Apple iOS and iPadOS up to 13.5.1 (Smartphone Operating System). Affected is an unknown function of the component Messages. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-287. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
An issue existed in the handling of iMessage tapbacks. The issue was resolved with additional verification. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A user that is removed from an iMessage group could rejoin the group.
The weakness was disclosed 07/15/2020 by Suryansh Mansharamani as HT211288 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-9885 since 03/02/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/03/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
An issue existed in the handling of iMessage tapbacks. The issue was resolved with additional verification.
Upgrading to version 13.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Weak authentication
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: iOS/iPadOS 13.6
Timeline03/02/2020 CVE assigned
07/15/2020 +135 days Advisory disclosed
07/15/2020 +0 days Countermeasure disclosed
07/16/2020 +1 days VulDB entry created
11/03/2020 +110 days VulDB last update
Researcher: Suryansh Mansharamani
CVE: CVE-2020-9885 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔒
EntryCreated: 07/16/2020 06:18 PM
Updated: 11/03/2020 11:29 AM
Changes: (8) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a
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