Apple macOS up to 10.12.3 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.12.3. It has been classified as critical. Affected by this issue is some unknown functionality of the component Kernel. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-2473. The attack must be initiated from a local position. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.12.3 (Operating System). This affects an unknown code block 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 03/27/2017. The weakness was shared 03/27/2017 by Ian Beer with Google Project Zero as HT207615 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-2473 since 12/01/2016. An attack has to be approached locally. The requirement for exploitation is a authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue was addressed through improved input validation.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99264 (Apple TV < 10.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.12.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (41792), Tenable (99264) and SecurityFocus (BID 97137†). The entries VDB-98727, VDB-98601, VDB-98602 and VDB-98603 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.2
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99264
Nessus Name: Apple TV < 10.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12.4

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
04/01/2017 +3 days 🔍
04/10/2017 +9 days 🔍
10/30/2024 +2760 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2473 (🔍)
GCVE (CVE): GCVE-0-2017-2473
GCVE (VulDB): GCVE-100-98649
SecurityFocus: 97137 - Apple iOS/tvOS/macOS/watchOS Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2473 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1038138

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

Entryinfo

Created: 03/28/2017 11:13
Updated: 10/30/2024 14:09
Changes: 03/28/2017 11:13 (79), 08/21/2020 12:49 (9), 11/20/2022 08:45 (4), 10/30/2024 14:09 (16)
Complete: 🔍
Cache ID: 216::103

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

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