Apple watchOS up to 3.2.3 zlib numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

A vulnerability, which was classified as very critical, has been found in Apple watchOS up to 3.2.3 (Smartwatch Operating System). This issue affects an unknown function of the component zlib. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.

The bug was discovered 12/05/2016. The weakness was shared 09/25/2017 as HT208115 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-9841 since 12/05/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/04/2023). The advisory points out:

Multiple issues were addressed by updating to version 1.2.11.

The vulnerability was handled as a non-public zero-day exploit for at least 36 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 96376 (openSUSE Security Update : zlib (openSUSE-2017-46)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371397 (IBM Cognos Business Intelligence Multiple Security Vulnerabilities(swg22014202)).

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 Tenable (96376). The entries 79791, 95830, 97118 and 99028 are related to this item.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96376
Nessus Name: openSUSE Security Update : zlib (openSUSE-2017-46)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 4.0
Patch: github.com

Timelineinfo

12/04/2016 🔍
12/05/2016 +1 days 🔍
12/05/2016 +0 days 🔍
01/10/2017 +36 days 🔍
05/23/2017 +133 days 🔍
09/25/2017 +125 days 🔍
09/25/2017 +0 days 🔍
10/23/2017 +28 days 🔍
01/04/2023 +1899 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208115
Researcher: Trail
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9841 (🔍)
OVAL: 🔍

SecurityTracker: 1039427
SecurityFocus: 95131 - zlib Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/23/2017 11:45
Updated: 01/04/2023 12:15
Changes: 10/23/2017 11:45 (79), 11/29/2019 16:46 (5), 01/20/2021 08:11 (2), 01/20/2021 08:16 (1), 01/04/2023 12:15 (3)
Complete: 🔍

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