Apple watchOS up to 3.2.3 libc resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as problematic was found in Apple watchOS up to 3.2.3 (Smartwatch Operating System). Affected by this vulnerability is an unknown code of the component libc. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The bug was discovered 06/19/2017. The weakness was shared 09/25/2017 with Qualys as HT208115 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-1000373 since 06/19/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue. The advisory points out:

A memory consumption issue was addressed through improved memory handling.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370434 (OpenBSD Advisory for kernel / glibc Elevation of Privileges (Stack Clash)).

Upgrading to version 4.0 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 (42271). The entries 102677, 102678, 107049 and 107050 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT208144
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: watchOS 4.0

Timelineinfo

06/19/2017 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/21/2017 +2 days 🔍
09/25/2017 +96 days 🔍
09/25/2017 +0 days 🔍
10/23/2017 +28 days 🔍
01/20/2021 +1185 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208115
Researcher: Qualys Research Labs
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000373 (🔍)
SecurityTracker: 1039427
SecurityFocus: 99177 - OpenBSD CVE-2017-1000373 Denial of Service Vulnerability

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

Entryinfo

Created: 10/23/2017 11:37
Updated: 01/20/2021 07:04
Changes: 10/23/2017 11:37 (71), 11/29/2019 15:56 (9), 01/20/2021 07:02 (3), 01/20/2021 07:04 (1)
Complete: 🔍
Cache ID: 3:F83:103

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