Apple macOS up to 10.13.2 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.13.2. The impacted element is an unknown function of the component Kernel. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2017-13862. The attack needs to be approached locally. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.13.2 (Operating System). This affects some unknown processing of the component Kernel. 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 bug was discovered 12/02/2017. The weakness was presented 12/06/2017 with Apple as HT208331 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13862 since 08/30/2017. Attacking locally is a requirement. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 105080 (macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105080) and SecurityFocus (BID 101981†). See VDB-106777, VDB-107566, VDB-108975 and VDB-109077 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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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Nessus ID: 105080
Nessus Name: macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64745
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

08/30/2017 🔍
11/29/2017 +91 days 🔍
12/02/2017 +3 days 🔍
12/06/2017 +4 days 🔍
12/06/2017 +0 days 🔍
12/07/2017 +1 days 🔍
12/10/2017 +3 days 🔍
12/25/2017 +15 days 🔍
01/26/2021 +1128 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208331
Researcher: chethan177
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13862 (🔍)
GCVE (CVE): GCVE-0-2017-13862
GCVE (VulDB): GCVE-100-110403
SecurityFocus: 101981 - Apple macOS CVE-2017-13872 Authentication Bypass Vulnerability
SecurityTracker: 1039952

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 12/10/2017 09:15
Updated: 01/26/2021 11:51
Changes: 12/10/2017 09:15 (70), 12/13/2019 09:52 (14), 01/26/2021 11:47 (3), 01/26/2021 11:51 (1)
Complete: 🔍
Cache ID: 216:4E8:103

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

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