MediaTek MT8797 cmdq out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MediaTek MT6739, MT6768, MT6771, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8786, MT8789 and MT8797. This impacts an unknown function of the component cmdq. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2023-20757. The attack needs to be performed locally. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6739, MT6768, MT6771, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8786, MT8789 and MT8797 (Chip Software). It has been rated as critical. This issue affects an unknown code of the component cmdq. 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. The summary by CVE is:

In cmdq, there is a possible out of bounds write 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: ALPS07636133; Issue ID: ALPS07636133.

The weakness was released 07/04/2023 as ALPS07636133. The advisory is shared at corp.mediatek.com. The identification of this vulnerability is CVE-2023-20757 since 10/28/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07636133 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

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

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: 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: ALPS07636133

Timelineinfo

10/28/2022 🔍
07/04/2023 +249 days 🔍
07/04/2023 +0 days 🔍
07/04/2023 +0 days 🔍

Sourcesinfo

Advisory: ALPS07636133
Status: Confirmed

CVE: CVE-2023-20757 (🔍)
GCVE (CVE): GCVE-0-2023-20757
GCVE (VulDB): GCVE-100-232901

Entryinfo

Created: 07/04/2023 07:11
Changes: 07/04/2023 07:11 (41)
Complete: 🔍
Cache ID: 216::103

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