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CVE-2021-30307

Quick assessment

Affected
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
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 芯片存在安全漏洞，该漏洞源于当使用PTR、NAPTR或SRV查询类型的DNS客户端请求时，由于DNS响应验证不当可能导致拒绝服务。

CVSS 7.5 · High EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2021-30307

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Possible denial of service due to improper validation of DNS response when DNS client requests with PTR, NAPTR or SRV query type in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm 芯片安全漏洞
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 芯片存在安全漏洞，该漏洞源于当使用PTR、NAPTR或SRV查询类型的DNS客户端请求时，由于DNS响应验证不当可能导致拒绝服务。
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
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT AR8035, CSRB31024, QCA6174A, QCA6390, QCA6391, QCA6426, QCA6436, QCA6564AU, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8081, QCA8337, QCA9377, QCM2290, QCM4290, QCM6490, QCS2290, QCS410, QCS4290, QCS610, QCS6490, QCX315, SA415M, SA515M, SA6145P, SA6150P, -

II. Public POCs for CVE-2021-30307

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III. Intelligence Information for CVE-2021-30307

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Other References for CVE-2021-30307 (1)

Same Patch Batch · Qualcomm, Inc. · 2022-01-13 · 12 CVEs total

CVE-2021-30285 9.3 CRITICAL Qualcomm 组件 输入验证错误漏洞
CVE-2021-30308 7.8 HIGH Google Android 安全漏洞
CVE-2021-30311 7.8 HIGH Google Android 输入验证错误漏洞
CVE-2021-30319 7.8 HIGH Google Android 输入验证错误漏洞
CVE-2021-30287 7.5 HIGH 多款Qualcomm产品安全漏洞
CVE-2021-30300 7.5 HIGH 多款Qualcomm产品代码问题漏洞
CVE-2021-30301 7.5 HIGH Qualcomm 芯片资源管理错误漏洞
CVE-2021-30330 7.5 HIGH 多款Qualcomm产品代码问题漏洞
CVE-2021-30353 7.5 HIGH 多款Qualcomm产品安全漏洞
CVE-2021-30313 6.7 MEDIUM 多款Qualcomm产品资源管理错误漏洞
CVE-2021-30314 6.2 MEDIUM 多款Qualcomm产品信息泄露漏洞

IV. Related Vulnerabilities

Same product: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT
Same vendor: Qualcomm, Inc.

V. Comments for CVE-2021-30307

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