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CVE-2022-33277— Buffer copy without checking size of input in modem

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 Qualcomm 芯片 modem 模块存在安全漏洞，该漏洞源于在接收 WMI 命令时未检查输入大小而进行缓冲区复制，调制解调器中的内存损坏。

CVSS 8.4 · High EPSS 0.12% · P2
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I. Basic Information for CVE-2022-33277

Vulnerability Information
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Vulnerability Title
Buffer copy without checking size of input in modem
Source: CVE Program / CVE List V5
Vulnerability Description
Memory corruption in modem due to buffer copy without checking size of input while receiving WMI command.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm 芯片缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 Qualcomm 芯片 modem 模块存在安全漏洞，该漏洞源于在接收 WMI 命令时未检查输入大小而进行缓冲区复制，调制解调器中的内存损坏。
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
Qualcomm, Inc. Snapdragon AQT1000 -

II. Public POCs for CVE-2022-33277

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III. Intelligence Information for CVE-2022-33277

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Other References for CVE-2022-33277 (1)

Same Patch Batch · Qualcomm, Inc. · 2023-02-09 · 27 CVEs total

CVE-2022-25729 9.8 CRITICAL Improper Input Validation in MODEM
CVE-2022-40514 9.8 CRITICAL Buffer copy without checking size of input in WLAN Firmware
CVE-2022-33279 9.8 CRITICAL Stack based buffer overflow in WLAN
CVE-2022-33232 9.3 CRITICAL Buffer copy without checking size of input in Hypervisor
CVE-2022-33243 8.4 HIGH Improper access control in Qualcomm IPC
CVE-2022-25728 8.2 HIGH Buffer Over-read in MODEM
CVE-2022-25732 8.2 HIGH Buffer Over-read in MODEM
CVE-2022-25738 8.2 HIGH Buffer Over-read in MODEM
CVE-2022-33229 8.2 HIGH Buffer over-read in Modem
CVE-2022-33271 8.2 HIGH Buffer over-read in WLAN
CVE-2022-33233 7.8 HIGH Configuration weakness in modem
CVE-2022-33248 7.8 HIGH Integer overflow to buffer overflow in User Identity Module
CVE-2022-33306 7.5 HIGH Buffer over-read in WLAN
CVE-2022-34145 7.5 HIGH Buffer over-read in WLAN Host
CVE-2022-34146 7.5 HIGH Improper input validation in WLAN Host
CVE-2022-25735 7.5 HIGH Null Pointer Dereference in MODEM
CVE-2022-25734 7.5 HIGH Loop with Unreachable Exit Condition in MODEM
CVE-2022-25733 7.5 HIGH Null Pointer Dereference in MODEM
CVE-2022-40502 7.5 HIGH Improper input validation in WLAN Host
CVE-2022-40512 7.5 HIGH Buffer over-read in WLAN Firmware.

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-120

V. Comments for CVE-2022-33277

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