MediaTek MT8798 Decoder out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in MediaTek MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6781, MT6789, MT6833, MT6853, MT6855, MT6877, MT6879, MT6883, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8175, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 and MT8798. This issue affects some unknown processing of the component Decoder. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2023-32850. The attack must be carried out locally. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6580, MT6739, MT6761, MT6762, MT6765, MT6768, MT6781, MT6789, MT6833, MT6853, MT6855, MT6877, MT6879, MT6883, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8175, MT8321, MT8362A, MT8365, MT8385, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797 and MT8798 (Chip Software) and classified as critical. Affected by this issue is some unknown functionality of the component Decoder. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In decoder, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS08016659; Issue ID: ALPS08016659.

The weakness was presented 12/04/2023 as ALPS08016659. The advisory is shared for download at corp.mediatek.com. This vulnerability is handled as CVE-2023-32850 since 05/16/2023. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS08016659 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: ALPS08016659

Timelineinfo

05/16/2023 🔍
12/04/2023 +202 days 🔍
12/04/2023 +0 days 🔍
12/22/2023 +18 days 🔍

Sourcesinfo

Advisory: ALPS08016659
Status: Confirmed

CVE: CVE-2023-32850 (🔍)
GCVE (CVE): GCVE-0-2023-32850
GCVE (VulDB): GCVE-100-246668

Entryinfo

Created: 12/04/2023 07:32
Updated: 12/22/2023 10:43
Changes: 12/04/2023 07:32 (41), 12/22/2023 10:43 (11)
Complete: 🔍
Cache ID: 216::103

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