Apple watchOS API Core Text Telugu Character Bomb resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS. It has been classified as critical. The impacted element is an unknown function of the component API Core Text. Performing a manipulation as part of Telugu Character results in resource consumption (Bomb). This vulnerability is reported as CVE-2018-4100. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple watchOS (Smartwatch Operating System) (unknown version). It has been classified as critical. This affects an unknown code block of the component API Core Text. The manipulation as part of a Telugu Character leads to a resource consumption vulnerability (Bomb). CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The bug was discovered 01/23/2018. The weakness was disclosed 02/14/2018 as confirmed article (Website). It is possible to read the advisory at mobileworld.it. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2018-4100 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. The exploit is shared for download at mobileworld.it. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 106297 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-001) (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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370738 (Apple macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan Not Installed (Meltdown)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106297) and SecurityFocus (BID 102057†). Further details are available at theverge.com. The entries VDB-110054, VDB-111325, VDB-112574 and VDB-112575 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Bomb
Class: Resource consumption / Bomb
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106297
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-001) (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881448
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-03 (HT208465)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

11/29/2017 🔍
01/02/2018 +34 days 🔍
01/23/2018 +21 days 🔍
01/23/2018 +0 days 🔍
01/24/2018 +1 days 🔍
02/14/2018 +21 days 🔍
02/14/2018 +0 days 🔍
02/15/2018 +1 days 🔍
04/03/2018 +47 days 🔍
02/03/2021 +1037 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: mobileworld.it
Researcher: Adam Mariš
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4100 (🔍)
GCVE (CVE): GCVE-0-2018-4100
GCVE (VulDB): GCVE-100-113307
SecurityFocus: 102057 - cURL/libcURL CVE-2017-8817 Memory Corruption Vulnerability
SecurityTracker: 1040265

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 02/15/2018 15:56
Updated: 02/03/2021 17:03
Changes: 02/15/2018 15:56 (73), 01/07/2020 08:55 (16), 02/03/2021 17:00 (3), 02/03/2021 17:03 (1)
Complete: 🔍
Cache ID: 216::103

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