Apple iOS up to 12.3.2 WebKit memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 12.3.2. It has been classified as critical. Affected by this issue is some unknown functionality of the component WebKit. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2019-8683. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iOS up to 12.3.2 (Smartphone Operating System). It has been rated as critical. This issue affects an unknown code block of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/22/2019 with Google Project Zero as HT210346 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2019-8683 since 02/18/2019. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/07/2023). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

Upgrading to version 12.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-138555, VDB-138597, VDB-138619 and VDB-138652 are related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 7.6
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: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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 12.4

Timelineinfo

02/18/2019 🔍
07/22/2019 +154 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
11/07/2023 +1567 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210346
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8683 (🔍)
GCVE (CVE): GCVE-0-2019-8683
GCVE (VulDB): GCVE-100-138689
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/24/2019 16:06
Updated: 11/07/2023 10:34
Changes: 07/24/2019 16:06 (63), 07/11/2020 12:31 (1), 11/07/2023 10:34 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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