Apple tvOS up to 15.4.1 libxml2 use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple tvOS up to 15.4.1. This vulnerability affects unknown code of the component libxml2. Performing a manipulation results in use after free. This vulnerability is known as CVE-2022-23308. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple tvOS up to 15.4.1 (Digital Media Player). This affects some unknown processing of the component libxml2. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 05/16/2022 as HT213254 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2022-23308. 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:

A remote attacker may be able to cause unexpected application termination or arbitrary code execution

The vulnerability scanner Nessus provides a plugin with the ID 236689 (Alibaba Cloud Linux 3 : 0018: libxml2 (ALINUX3-SA-2022:0018)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 15.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A use after free issue was addressed with improved memory management.

The vulnerability is also documented in the databases at Tenable (236689) and EUVD (EUVD-2022-28391). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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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Nessus ID: 236689
Nessus Name: Alibaba Cloud Linux 3 : 0018: libxml2 (ALINUX3-SA-2022:0018)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 15.5
Patch: github.com

Timelineinfo

01/17/2022 🔍
05/16/2022 +118 days 🔍
05/16/2022 +0 days 🔍
05/18/2022 +2 days 🔍
04/30/2026 +1443 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213254
Status: Confirmed

CVE: CVE-2022-23308 (🔍)
GCVE (CVE): GCVE-0-2022-23308
GCVE (VulDB): GCVE-100-200115
EUVD: 🔍

Entryinfo

Created: 05/18/2022 07:00
Updated: 04/30/2026 04:36
Changes: 05/18/2022 07:00 (18), 05/18/2022 07:03 (27), 05/24/2022 13:59 (3), 05/24/2022 14:05 (18), 05/17/2025 18:51 (16), 04/30/2026 04:36 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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