VDB-258813 · CVE-2024-20048 · ALPS08541769

MediaTek MT8798 Flashc information disclosure

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.
2.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in MediaTek MT2713, MT6781, MT6789, MT6835, MT6855, MT6879, MT6886, MT6895, MT6983, MT6985, MT6989, MT8167, MT8168, MT8173, MT8175, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8395, MT8666, MT8667, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8796, MT8797 and MT8798. Impacted is an unknown function of the component Flashc. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2024-20048. The attack needs to be approached locally. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in MediaTek MT2713, MT6781, MT6789, MT6835, MT6855, MT6879, MT6886, MT6895, MT6983, MT6985, MT6989, MT8167, MT8168, MT8173, MT8175, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8390, MT8395, MT8666, MT8667, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8796, MT8797 and MT8798. This affects some unknown functionality of the component Flashc. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

In flashc, there is a possible information disclosure due to an uncaught exception. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08541769; Issue ID: ALPS08541769.

The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2024-20048 since 11/02/2023. The exploitability is told to be easy. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying the patch ALPS08541769 is able to eliminate this problem.

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Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.3
VulDB Meta Temp Score: 2.2

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

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: ALPS08541769

Timelineinfo

11/02/2023 🔍
04/01/2024 +150 days 🔍
04/01/2024 +0 days 🔍
04/01/2024 +0 days 🔍

Sourcesinfo

Advisory: ALPS08541769
Status: Confirmed

CVE: CVE-2024-20048 (🔍)
GCVE (CVE): GCVE-0-2024-20048
GCVE (VulDB): GCVE-100-258813

Entryinfo

Created: 04/01/2024 08:00
Changes: 04/01/2024 08:00 (55)
Complete: 🔍
Cache ID: 216::103