MediaTek MT8797 Telephony deserialization

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

A vulnerability was found in MediaTek MT6580, MT6739, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8321, MT8385, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791 and MT8797 (Chip Software). It has been rated as problematic. Affected by this issue is some unknown functionality of the component Telephony. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In telephony, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07319121; Issue ID: ALPS07319121.

The weakness was presented 10/08/2022 as ALPS07319121. The advisory is available at corp.mediatek.com. This vulnerability is handled as CVE-2022-26471 since 03/04/2022. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07319121 is able to eliminate this problem.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07319121

Timelineinfo

03/04/2022 🔍
10/08/2022 +217 days 🔍
10/08/2022 +0 days 🔍
10/31/2022 +23 days 🔍

Sourcesinfo

Advisory: ALPS07319121
Status: Confirmed

CVE: CVE-2022-26471 (🔍)

Entryinfo

Created: 10/08/2022 09:10
Updated: 10/31/2022 11:08
Changes: 10/08/2022 09:10 (40), 10/31/2022 11:08 (11)
Complete: 🔍

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