Apple iOS/iPadOS up to 13.1.3 Audio memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS and iPadOS up to 13.1.3. This vulnerability affects unknown code of the component Audio. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2019-8797. The attack is restricted to local execution. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Apple iOS and iPadOS up to 13.1.3 (Smartphone Operating System). This vulnerability affects an unknown part of the component Audio. 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.

The weakness was disclosed 10/28/2019 as HT210721 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2019-8797. The attack needs to be approached locally. A single authentication is necessary for exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

A public exploit has been developed by 08Tc3wBB in Objective-C and been published 2 weeks after the advisory. It is possible to download the exploit at github.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

Upgrading to version 13.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-144509, VDB-144528, VDB-144529 and VDB-144530 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: 08Tc3wBB
Programming Language: 🔍
Download: 🔍

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: 🔍
Exploit Delay Time: 🔍

Upgrade: iOS/iPadOS 13.2

Timelineinfo

02/18/2019 🔍
10/28/2019 +252 days 🔍
10/28/2019 +0 days 🔍
10/31/2019 +3 days 🔍
11/11/2019 +11 days 🔍
01/31/2024 +1542 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210721
Status: Confirmed

CVE: CVE-2019-8797 (🔍)
GCVE (CVE): GCVE-0-2019-8797
GCVE (VulDB): GCVE-100-144532
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/31/2019 07:36
Updated: 01/31/2024 08:15
Changes: 10/31/2019 07:36 (45), 11/12/2019 07:30 (19), 11/12/2019 07:31 (3), 01/31/2024 08:15 (8)
Complete: 🔍
Committer: misc
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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