VDB-217320 · CVE-2022-32639 · ALPS07494487

MediaTek MT8791 watchdog out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.3	$0-$5k	0.00

A vulnerability was found in MediaTek MT6739, MT6768, MT6771, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT8167, MT8167S, MT8362A, MT8385, MT8518S, MT8532, MT8765, MT8786 and MT8791 (Chip Software). It has been classified as problematic. Affected is an unknown code block of the component watchdog. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

In watchdog, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07494487; Issue ID: ALPS07494487.

The weakness was published 01/04/2023 as ALPS07494487. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-32639 since 06/09/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07494487 is able to eliminate this problem.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07494487

Timelineinfo

06/09/2022 🔍
01/04/2023 +209 days 🔍
01/04/2023 +0 days 🔍
01/27/2023 +23 days 🔍

Sourcesinfo

Advisory: ALPS07494487
Status: Confirmed

CVE: CVE-2022-32639 (🔍)

Entryinfo

Created: 01/04/2023 09:36 AM
Updated: 01/27/2023 03:59 PM
Changes: 01/04/2023 09:36 AM (41), 01/27/2023 03:59 PM (11)
Complete: 🔍
Cache ID: 18:84C:40