MediaTek MT8797 vow 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 classified as critical has been found in MediaTek MT6769, MT6781, MT6785, MT6833, MT6855, MT6877, MT6879, MT6893, MT6983, MT8791 and MT8797. Affected is an unknown function of the component vow. Performing a manipulation results in out-of-bounds write. This vulnerability was named CVE-2022-26457. The attack needs to be approached locally. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT6769, MT6781, MT6785, MT6833, MT6855, MT6877, MT6879, MT6893, MT6983, MT8791 and MT8797 (Chip Software). This affects some unknown processing of the component vow. 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. The summary by CVE is:

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: ALPS07138490; Issue ID: ALPS07138490.

The weakness was presented 09/07/2022 as ALPS07138490. The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2022-26457 since 03/04/2022. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS07138490 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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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: ALPS07138490

Timelineinfo

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

Sourcesinfo

Advisory: ALPS07138490
Status: Confirmed

CVE: CVE-2022-26457 (🔍)
GCVE (CVE): GCVE-0-2022-26457
GCVE (VulDB): GCVE-100-208053

Entryinfo

Created: 09/07/2022 21:20
Updated: 10/14/2022 09:38
Changes: 09/07/2022 21:20 (41), 10/14/2022 09:38 (11)
Complete: 🔍
Cache ID: 216::103

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