MediaTek MT8797 ril out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in MediaTek MT6739, MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T and MT8797. Affected by this issue is some unknown functionality of the component ril. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2023-20795. The attack must be initiated from a local position. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT6739, MT6761, MT6762, MT6768, MT6769, MT6779, MT6781, MT6785, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8321, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T and MT8797 (Chip Software). This affects some unknown functionality of the component ril. 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 ril, 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: ALPS07864900; Issue ID: ALPS07864900.

The weakness was shared 08/07/2023 as ALPS07864900. It is possible to read the advisory at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2023-20795 since 10/28/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS07864900 is able to eliminate this problem.

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Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 6.7
CNA 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: ALPS07864900

Timelineinfo

10/28/2022 🔍
08/07/2023 +283 days 🔍
08/07/2023 +0 days 🔍
10/23/2024 +443 days 🔍

Sourcesinfo

Advisory: ALPS07864900
Status: Confirmed

CVE: CVE-2023-20795 (🔍)
GCVE (CVE): GCVE-0-2023-20795
GCVE (VulDB): GCVE-100-236259

Entryinfo

Created: 08/07/2023 08:57
Updated: 10/23/2024 04:53
Changes: 08/07/2023 08:57 (41), 08/30/2023 13:13 (11), 10/23/2024 04:53 (26)
Complete: 🔍
Cache ID: 216::103

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