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CVE-2023-49701— Out-of-bounds access a buffer in SIM management

Quick assessment

Affected
ASR Falcon
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.

Asrmicro ASR1803是中国翱捷科技（Asrmicro）公司的一款芯片。 ASR1803、ASR1806 存在安全漏洞，该漏洞源于越界访问 SIM 管理中的缓冲区，导致USIMPhase2init 时 SIM 管理内存损坏。

CVSS 7.2 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-49701

Vulnerability Information
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Vulnerability Title
Out-of-bounds access a buffer in SIM management
Source: CVE Program / CVE List V5
Vulnerability Description
Memory Corruption in SIM management while USIMPhase2init
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Asrmicro ASR1803 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Asrmicro ASR1803是中国翱捷科技（Asrmicro）公司的一款芯片。 ASR1803、ASR1806 存在安全漏洞，该漏洞源于越界访问 SIM 管理中的缓冲区，导致USIMPhase2init 时 SIM 管理内存损坏。
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
ASR Falcon - -

II. Public POCs for CVE-2023-49701

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III. Intelligence Information for CVE-2023-49701

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Other References for CVE-2023-49701 (1)

Same Patch Batch · ASR · 2023-11-30 · 3 CVEs total

CVE-2023-49699 6.7 MEDIUM Out-of-bounds access a buffer in IMS
CVE-2023-49700 6.7 MEDIUM Buffer Copy Without Checking size of input in IMS

IV. Related Vulnerabilities

Same product: Falcon
Same vendor: ASR
Same weakness: CWE-119

V. Comments for CVE-2023-49701

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