Apple macOS up to 10.13.2 Credentials access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

A vulnerability was found in Apple macOS up to 10.13.2 (Operating System) and classified as very critical. Affected by this issue is an unknown function of the component Credentials Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan, a logic error existed in the validation of credentials. This was addressed with improved credential validation.

The bug was discovered 01/23/2018. The weakness was presented 02/23/2018 (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2017-13889 since 08/30/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/28/2020). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 31 days. During that time the estimated underground price was around $5k-$25k.

Applying the patch Security Update 2018-001 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See 112576, 112581, 112585 and 112590 for similar entries.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
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: Patch
Status: 🔍

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

Patch: Security Update 2018-001

Timelineinfo

08/30/2017 🔍
01/23/2018 +146 days 🔍
02/23/2018 +31 days 🔍
02/23/2018 +0 days 🔍
01/11/2019 +322 days 🔍
01/12/2019 +1 days 🔍
04/28/2020 +472 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-13889 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 01/12/2019 11:32
Updated: 04/28/2020 17:37
Changes: 01/12/2019 11:32 (62), 04/28/2020 17:37 (2)
Complete: 🔍

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