MediaTek MT8797 vow out-of-bounds write

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

A vulnerability classified as critical was found in MediaTek MT6853, MT6855, MT6873, MT6877, MT6883, MT6885, MT6893, MT6895, MT6983, MT8791 and MT8797 (Chip Software). This vulnerability affects an unknown function of the component vow. 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. CVE summarizes:

In vow, 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: ALPS07032678; Issue ID: ALPS07032678.

The weakness was shared 09/07/2022 as ALPS07032678. The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2022-26458 since 03/04/2022. The technical details are unknown and an exploit is not available.

Applying the patch ALPS07032678 is able to eliminate this problem.

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CVSSv4info

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

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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: 🔍

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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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS07032678

Timelineinfo

03/04/2022 🔍
09/07/2022 +186 days 🔍
09/07/2022 +0 days 🔍
10/14/2022 +37 days 🔍

Sourcesinfo

Advisory: ALPS07032678
Status: Confirmed

CVE: CVE-2022-26458 (🔍)

Entryinfo

Created: 09/07/2022 21:21
Updated: 10/14/2022 09:42
Changes: 09/07/2022 21:21 (41), 10/14/2022 09:42 (11)
Complete: 🔍

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