Apple iOS up to 12.1.2 WebRTC memory corruption

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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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7.2$5k-$25k0.00

A vulnerability, which was classified as critical, has been found in Apple iOS up to 12.1.2 (Smartphone Operating System). Affected by this issue is some unknown functionality of the component WebRTC. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The bug was discovered 01/22/2019. The weakness was shared 01/22/2019 by Georgi Geshev as HT209443 as confirmed advisory (Website) via Zero Day Initiative (ZDI). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2019-6211 since 01/11/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/04/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed with improved state management.

The vulnerability scanner Nessus provides a plugin with the ID 121393 (macOS 10.14.x < 10.14.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context combined.

Upgrading to version 12.1.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121393). The entries 128295, 130004, 130005 and 130006 are related to this item.

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CPE 2.3infoedit

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2infoedit

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

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121393
Nessus Name: macOS 10.14.x < 10.14.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 12.1.3

Timelineinfoedit

01/11/2019 🔍
01/22/2019 +11 days 🔍
01/22/2019 +0 days 🔍
01/22/2019 +0 days 🔍
01/23/2019 +1 days 🔍
01/25/2019 +2 days 🔍
05/04/2020 +465 days 🔍

Sourcesinfoedit

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

Advisory: HT209443
Researcher: Georgi Geshev
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-6211 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfoedit

Created: 01/23/2019 12:34 PM
Updated: 05/04/2020 05:00 PM
Changes: (10) vulnerability_discoverydate advisory_confirm_url source_cve_assigned source_nessus_id source_nessus_name source_nessus_filename source_nessus_family source_openvas_filename source_openvas_title source_openvas_family
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