MediaTek MT2713/MT6895/MT6983/MT8188/MT8195/MT8395/MT8673 Dpe out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT2713, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8673 and classified as critical. Affected is an unknown function of the component Dpe. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2023-20807. The attack needs to be approached locally. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT2713, MT6895, MT6983, MT8188, MT8195, MT8395 and MT8673 (Chip Software). Affected is an unknown code of the component Dpe. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In dpe, 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: ALPS07608433; Issue ID: ALPS07608433.

The weakness was presented 08/07/2023 as ALPS07608433. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2023-20807 since 10/28/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS07608433 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: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: ALPS07608433

Timelineinfo

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

Sourcesinfo

Advisory: ALPS07608433
Status: Confirmed

CVE: CVE-2023-20807 (🔍)
GCVE (CVE): GCVE-0-2023-20807
GCVE (VulDB): GCVE-100-236268

Entryinfo

Created: 08/07/2023 09:02
Updated: 08/30/2023 14:00
Changes: 08/07/2023 09:02 (41), 08/30/2023 14:00 (11)
Complete: 🔍
Cache ID: 216::103

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