MediaTek MT6879/MT6895/MT6983/MT8188/MT8195/MT8395/MT8781 imgsys use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MediaTek MT6879, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8781. The affected element is an unknown function of the component imgsys. Such manipulation leads to use after free. This vulnerability is traded as CVE-2023-20801. An attack has to be approached locally. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6879, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8781 (Chip Software) and classified as problematic. Affected by this issue is an unknown function of the component imgsys. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In imgsys, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07420968; Issue ID: ALPS07420968.

The weakness was shared 08/07/2023 as ALPS07420968. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2023-20801 since 10/28/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07420968 is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 6.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07420968

Timelineinfo

10/28/2022 🔍
08/07/2023 +283 days 🔍
08/07/2023 +0 days 🔍
08/30/2023 +23 days 🔍

Sourcesinfo

Advisory: ALPS07420968
Status: Confirmed

CVE: CVE-2023-20801 (🔍)
GCVE (CVE): GCVE-0-2023-20801
GCVE (VulDB): GCVE-100-236264

Entryinfo

Created: 08/07/2023 09:00
Updated: 08/30/2023 13:36
Changes: 08/07/2023 09:00 (40), 08/30/2023 13:36 (11)
Complete: 🔍
Cache ID: 216::103

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