Apple iOS/iPadOS up to 13.5.1 Safari Reader unknown vulnerability

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

A vulnerability was found in Apple iOS and iPadOS up to 13.5.1 (Smartphone Operating System). It has been classified as critical. This affects an unknown part of the component Safari Reader. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-942. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.6 and iPadOS 13.6, Safari 13.1.2. An issue in Safari Reader mode may allow a remote attacker to bypass the Same Origin Policy.

The weakness was published 07/15/2020 by Nikhil Mittal with Payatu Labs as HT211288 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2020-9911 since 03/02/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (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:

A logic issue was addressed with improved restrictions.

Upgrading to version 13.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at 158577, 158578, 158579 and 158580.

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VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-942
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: iOS/iPadOS 13.6

Timelineinfoedit

03/02/2020 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

Sourcesinfoedit

Vendor: https://www.apple.com/

Advisory: HT211288
Researcher: Nikhil Mittal
Organization: Payatu Labs
Status: Confirmed

CVE: CVE-2020-9911 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔒

Entryinfoedit

Created: 07/16/2020 06:19 PM
Updated: 11/03/2020 12:01 PM
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
Complete: 🔍

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