Apple tvOS libxml2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple tvOS. This issue affects some unknown processing of the component libxml2. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2019-8749. The attack requires a local approach. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple tvOS (Digital Media Player) (version now known). This affects some unknown processing of the component libxml2. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 10/29/2019 by OSS-Fuzz as HT210722 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2019-8749. Attacking locally is a requirement. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

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

The entries VDB-144590, VDB-144591, VDB-144592 and VDB-144593 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 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: 🔍

Timelineinfo

02/18/2019 🔍
10/29/2019 +253 days 🔍
10/29/2019 +0 days 🔍
10/28/2020 +365 days 🔍
11/28/2020 +31 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210722
Researcher: OSS-Fuzz
Status: Confirmed

CVE: CVE-2019-8749 (🔍)
GCVE (CVE): GCVE-0-2019-8749
GCVE (VulDB): GCVE-100-163827
See also: 🔍

Entryinfo

Created: 10/28/2020 10:19
Updated: 11/28/2020 15:33
Changes: 10/28/2020 10:19 (44), 11/28/2020 15:27 (2), 11/28/2020 15:33 (18)
Complete: 🔍
Cache ID: 216::103

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