Apple watchOS up to 5.0.1 AppleAVD memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple watchOS up to 5.0.1. This affects an unknown function of the component AppleAVD. This manipulation causes memory corruption. This vulnerability is handled as CVE-2018-4384. It is possible to launch the attack on the local host. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple watchOS up to 5.0.1 (Smartwatch Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component AppleAVD. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, watchOS 5.1.

The bug was discovered 10/31/2018. The weakness was released 10/29/2018 by Natalie Silvanovich with Google Project Zero as HT209195 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2018-4384 since 01/02/2018. Attacking locally is a requirement. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept.

Upgrading to version 5.1 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 (45786). Entries connected to this vulnerability are available at VDB-126164, VDB-126169, VDB-126231 and VDB-126212. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

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

NVD Base Score: 🔍

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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 5.1

Timelineinfo

01/02/2018 🔍
10/29/2018 +300 days 🔍
10/29/2018 +0 days 🔍
10/31/2018 +1 days 🔍
10/31/2018 +0 days 🔍
10/19/2024 +2180 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209195
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2018-4384 (🔍)
GCVE (CVE): GCVE-0-2018-4384
GCVE (VulDB): GCVE-100-126211
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/31/2018 09:48
Updated: 10/19/2024 17:51
Changes: 10/31/2018 09:48 (62), 04/08/2020 11:17 (3), 06/23/2024 08:34 (23), 10/19/2024 17:51 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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