VDB-238677 · CVE-2023-20851 · ALPS08048635

MediaTek MT8188 stc 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT8188. It has been classified as problematic. Affected is an unknown function of the component stc. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2023-20851. The attack requires a local approach. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT8188 (Chip Software) (unknown version). It has been classified as problematic. This affects an unknown code block of the component stc. 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, integrity, and availability. The summary by CVE is:

In stc, there is a possible out of bounds read due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS08048635; Issue ID: ALPS08048635.

The weakness was disclosed 09/04/2023 as ALPS08048635. The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2023-20851 since 10/28/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS08048635 is able to eliminate this problem.

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Productinfo

Type

Chip Software

Vendor

MediaTek

Name

MT8188

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

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: ALPS08048635

Timelineinfo

10/28/2022 🔍
09/04/2023 +311 days 🔍
09/04/2023 +0 days 🔍
09/30/2023 +26 days 🔍

Sourcesinfo

Advisory: ALPS08048635
Status: Confirmed

CVE: CVE-2023-20851 (🔍)
GCVE (CVE): GCVE-0-2023-20851
GCVE (VulDB): GCVE-100-238677

Entryinfo

Created: 09/04/2023 07:22
Updated: 09/30/2023 08:47
Changes: 09/04/2023 07:22 (41), 09/30/2023 08:47 (11)
Complete: 🔍
Cache ID: 216::103