Apple iOS up to 12.3.2 Heimdal security check

CVSS Meta Temp Score
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CTI Interest Score
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6.6$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS up to 12.3.2. Affected is an unknown function of the component Heimdal. The manipulation leads to security check. This vulnerability is referenced as CVE-2018-16860. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 12.3.2 (Smartphone Operating System). This issue affects some unknown functionality of the component Heimdal. The manipulation with an unknown input leads to a security check vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The bug was discovered 05/14/2019. The weakness was published 07/22/2019 by Andrew Bartlett with The Samba Team as HT210346 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2018-16860 since 09/11/2018. The exploitation is known to be difficult. The attack may be initiated remotely. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/02/2024). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1211 for this issue. 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 $25k-$100k. 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.

Similar entries are available at VDB-138543, VDB-138573, VDB-138631 and VDB-138659. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: iOS 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 +1836 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210346
Researcher: Andrew Bartlett
Organization: The Samba Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16860 (🔍)
GCVE (CVE): GCVE-0-2018-16860
GCVE (VulDB): GCVE-100-138665
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 07/24/2019 16:02
Updated: 08/02/2024 02:23
Changes: 07/24/2019 16:02 (65), 07/11/2020 10:15 (3), 11/07/2023 09:21 (4), 11/07/2023 09:23 (12), 08/02/2024 02:23 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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