MediaTek MT6893 Camera ISP out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in MediaTek MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889 and MT6893. This vulnerability affects unknown code of the component Camera ISP. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2022-21792. The attack is restricted to local execution. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889 and MT6893 (Chip Software). Affected by this vulnerability is some unknown functionality of the component Camera ISP. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In camera isp, 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: ALPS07085410; Issue ID: ALPS07085410.

The weakness was disclosed 08/01/2022 as ALPS07085410. The advisory is shared at corp.mediatek.com. This vulnerability is known as CVE-2022-21792 since 11/26/2021. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07085410 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: 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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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: ALPS07085410

Timelineinfo

11/26/2021 🔍
08/01/2022 +247 days 🔍
08/01/2022 +0 days 🔍
08/29/2022 +28 days 🔍

Sourcesinfo

Advisory: ALPS07085410
Status: Confirmed

CVE: CVE-2022-21792 (🔍)
GCVE (CVE): GCVE-0-2022-21792
GCVE (VulDB): GCVE-100-205417

Entryinfo

Created: 08/01/2022 20:44
Updated: 08/29/2022 12:46
Changes: 08/01/2022 20:44 (41), 08/29/2022 12:46 (11)
Complete: 🔍
Cache ID: 216::103

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