Apple tvOS up to 12.1.2 file memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple tvOS up to 12.1.2. Affected by this issue is some unknown functionality of the component File. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2019-6237. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 12.1.2 (Digital Media Player) and classified as critical. This issue affects an unknown functionality of the component file. 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 bug was discovered 05/13/2019. The weakness was disclosed 03/25/2019 by Jakub Wilk as HT209601 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2019-6237 since 01/11/2019. 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. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An out-of-bounds read was addressed with improved bounds checking.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 12.2 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 SecurityFocus (BID 104423†). The entries VDB-119252, VDB-132233, VDB-132234 and VDB-132235 are pretty similar. Be aware that VulDB is the high quality 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: 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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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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 12.2

Timelineinfo

06/07/2018 🔍
01/11/2019 +218 days 🔍
03/25/2019 +73 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
05/13/2019 +48 days 🔍
08/07/2023 +1547 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209601
Researcher: Jakub Wilk
Status: Confirmed

CVE: CVE-2019-6237 (🔍)
GCVE (CVE): GCVE-0-2019-6237
GCVE (VulDB): GCVE-100-132287
SecurityFocus: 104423 - Perl CVE-2018-12015 Directory Traversal Vulnerability

See also: 🔍

Entryinfo

Created: 03/26/2019 14:55
Updated: 08/07/2023 15:17
Changes: 03/26/2019 14:55 (64), 05/20/2020 16:03 (6), 08/07/2023 15:17 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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