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I. Basic Information for CVE-2021-3700
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
usbredirparser 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
usbredirparser是检查标头长度反序列化数据。 usbredirparser存在资源管理错误漏洞,该漏洞源于在0.11.0之前版本的usbredirparser中,在usbredirparser usbredirparser.c中的usbredirparser serialize()中发现了一个使用后的漏洞。当序列化大量缓冲的写数据时,如果目标很慢或阻塞,就会出现这个问题。
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
VendorProductAffected VersionsCPESubscribe
-usbredir usbredir 0.11.0 -
II. Public POCs for CVE-2021-3700
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III. Intelligence Information for CVE-2021-3700
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IV. Related Vulnerabilities
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