Apple iOS up to 12.4.1 CoreAudio memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS up to 12.4.1. This affects an unknown function of the component CoreAudio. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2019-8705. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple iOS up to 12.4.1 (Smartphone Operating System) and classified as critical. This vulnerability affects an unknown part of the component CoreAudio. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15, tvOS 13. Processing a maliciously crafted movie may result in the disclosure of process memory.

The weakness was presented 09/26/2019 by riusksk with VulWar Corp as HT210606 as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared for download at support.apple.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2019-8705 since 02/18/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. 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 09/09/2020). 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 validation.

Upgrading to version 13.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

See VDB-142353, VDB-142347, VDB-142349 and VDB-142350 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: 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: 🔍

0-Day Time: 🔍

Upgrade: iOS 13.0

Timelineinfo

02/18/2019 🔍
09/19/2019 +213 days 🔍
09/26/2019 +7 days 🔍
09/27/2019 +1 days 🔍
09/09/2020 +348 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210606
Researcher: riusksk
Organization: VulWar Corp
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2019-8705 (🔍)
GCVE (CVE): GCVE-0-2019-8705
GCVE (VulDB): GCVE-100-142348
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/27/2019 07:21
Updated: 09/09/2020 17:21
Changes: 09/27/2019 07:21 (67), 09/09/2020 17:21 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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