Apple macOS up to 10.14.3 Time Machine os command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.14.3. It has been declared as critical. This affects an unknown part of the component Time Machine. Executing a manipulation can lead to os command injection. This vulnerability is handled as CVE-2019-8513. It is possible to launch the attack on the local host. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 10.14.3 (Operating System) and classified as critical. This vulnerability affects some unknown processing of the component Time Machine. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This issue was addressed with improved checks. This issue is fixed in macOS Mojave 10.14.4. A local user may be able to execute arbitrary shell commands.

The bug was discovered 03/25/2019. The weakness was released 03/25/2019 as HT209600 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2019-8513 since 02/18/2019. The attack needs to be approached locally. Required for exploitation is a single authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1202. The advisory points out:

This issue was addressed with improved checks.

A public exploit has been developed by CodeColorist/timwr in Ruby/Metasploit and been published 3 weeks after the advisory. It is possible to download the exploit at github.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 10.14.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47070). Entries connected to this vulnerability are available at VDB-132341, VDB-132342, VDB-132343 and VDB-132344. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Author: CodeColorist/timwr
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: exploit/osx/local/timemachine_cmd_injection
MetaSploit Name: Mac OS X TimeMachine (tmdiagnose) Command Injection Privilege Escalation

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.14.4

Timelineinfo

02/18/2019 🔍
03/25/2019 +35 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
04/13/2019 +17 days 🔍
01/11/2025 +2100 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209600
Status: Confirmed

CVE: CVE-2019-8513 (🔍)
GCVE (CVE): GCVE-0-2019-8513
GCVE (VulDB): GCVE-100-132376
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 03/26/2019 15:32
Updated: 01/11/2025 01:53
Changes: 03/26/2019 15:32 (62), 05/21/2020 09:57 (3), 06/11/2024 02:35 (19), 08/25/2024 11:45 (8), 08/25/2024 11:48 (1), 01/11/2025 01:53 (7)
Complete: 🔍
Committer: misc
Cache ID: 216::103

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