Apple tvOS up to 12.3 Heimdal security check

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple tvOS up to 12.3 and classified as critical. This impacts an unknown function of the component Heimdal. This manipulation causes security check. This vulnerability is handled as CVE-2018-16860. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple tvOS up to 12.3 (Digital Media Player) and classified as critical. Affected by this vulnerability is an unknown part of the component Heimdal. The manipulation with an unknown input leads to a security check vulnerability. The CWE definition for the vulnerability is CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/14/2019. The weakness was released 07/22/2019 by Andrew Bartlett with The Samba Team as HT210351 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2018-16860 since 09/11/2018. The exploitation appears to be difficult. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK. The advisory points out:

This issue was addressed with improved checks to prevent unauthorized actions.

The vulnerability was handled as a non-public zero-day exploit for at least 69 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176913 (Debian Security Update for heimdal (DSA 4455-1)).

Upgrading to version 12.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-138543, VDB-138573, VDB-138627 and VDB-138628. Be aware that VulDB is the high quality 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: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Security check
CWE: CWE-358
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 12.4

Timelineinfo

09/11/2018 🔍
05/14/2019 +245 days 🔍
07/22/2019 +69 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
08/02/2024 +1835 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210351
Researcher: Andrew Bartlett
Organization: The Samba Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16860 (🔍)
GCVE (CVE): GCVE-0-2018-16860
GCVE (VulDB): GCVE-100-138631
See also: 🔍

Entryinfo

Created: 07/24/2019 15:53
Updated: 08/02/2024 00:48
Changes: 07/24/2019 15:53 (64), 07/11/2020 06:57 (3), 11/07/2023 08:00 (4), 11/07/2023 08:07 (12), 08/02/2024 00:48 (16)
Complete: 🔍
Cache ID: 216::103

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

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