MediaTek MT8797 vow symlink

CVSS Meta Temp Score
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in MediaTek MT6769, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT6983, MT8185, MT8789, MT8791 and MT8797. The impacted element is an unknown function of the component vow. The manipulation results in symlink. This vulnerability is cataloged as CVE-2022-26456. The attack must be initiated from a local position. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MediaTek MT6769, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT6983, MT8185, MT8789, MT8791 and MT8797 (Chip Software). Affected is an unknown function of the component vow. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on confidentiality. CVE summarizes:

In vow, there is a possible information disclosure due to a symbolic link following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06545473; Issue ID: ALPS06545473.

The weakness was shared 09/07/2022 as ALPS06545473. The advisory is shared for download at corp.mediatek.com. This vulnerability is traded as CVE-2022-26456 since 03/04/2022. There are neither technical details nor an exploit publicly available.

Applying the patch ALPS06545473 is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
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: ALPS06545473

Timelineinfo

03/04/2022 🔍
09/07/2022 +186 days 🔍
09/07/2022 +0 days 🔍
10/13/2022 +36 days 🔍

Sourcesinfo

Advisory: ALPS06545473
Status: Confirmed

CVE: CVE-2022-26456 (🔍)
GCVE (CVE): GCVE-0-2022-26456
GCVE (VulDB): GCVE-100-207984

Entryinfo

Created: 09/07/2022 16:25
Updated: 10/13/2022 16:29
Changes: 09/07/2022 16:25 (41), 10/13/2022 16:29 (11)
Complete: 🔍
Cache ID: 216::103

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