Apple iOS/iPadOS up to 13.4.1 WebRTC use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.8$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS and iPadOS up to 13.4.1. This affects an unknown function of the component WebRTC. This manipulation causes use after free. The identification of this vulnerability is CVE-2019-2050. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 13.4.1 (Smartphone Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component WebRTC. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality.

The weakness was shared 05/20/2020 by Natalie Silvanovich with Google Project Zero as HT211168 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2019-2050. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 05/30/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

An access issue was addressed with improved memory management.

Upgrading to version 13.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-134501, VDB-155737, VDB-155738 and VDB-155739 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS/iPadOS 13.5

Timelineinfo

12/10/2018 🔍
05/20/2020 +527 days 🔍
05/20/2020 +0 days 🔍
05/29/2020 +9 days 🔍
10/20/2020 +144 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211168
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-2050 (🔍)
GCVE (CVE): GCVE-0-2019-2050
GCVE (VulDB): GCVE-100-155779
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/30/2020 00:56
Updated: 10/20/2020 10:38
Changes: 05/30/2020 00:56 (48), 05/30/2020 01:01 (16), 10/20/2020 10:38 (3)
Complete: 🔍
Cache ID: 216::103

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

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