CVE-2023-20702
Quick assessment
Affected
MediaTek, Inc. MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MediaTek 芯片是中国联发科（MediaTek）公司的MediaTek 的多款芯片。 MediaTek 芯片存在安全漏洞，该漏洞源于 5G NRLC 模块缺乏错误处理，可能存在无效的内存访问，从而导致远程拒绝服务。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-20702
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek 芯片 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek 芯片是中国联发科（MediaTek）公司的MediaTek 的多款芯片。 MediaTek 芯片存在安全漏洞，该漏洞源于 5G NRLC 模块缺乏错误处理，可能存在无效的内存访问，从而导致远程拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MediaTek, Inc. | MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798 | Modem NR15, NR16, NR17 | - |
|
II. Public POCs for CVE-2023-20702
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-20702 (1)
Same Patch Batch · MediaTek, Inc. · 2023-11-06 · 11 CVEs total
| CVE-2023-32840 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32825 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32839 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32838 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32837 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32836 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32835 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32834 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32818 | MediaTek 芯片 安全漏洞 | |
| CVE-2023-32832 | MediaTek 芯片 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-20702
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