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I. Basic Information for CVE-2021-44421
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The pointer-validation logic in util/mem_util.rs in Occlum before 0.26.0 for Intel SGX acts as a confused deputy that allows a local attacker to access unauthorized information via side-channel analysis.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Occlum 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Occlum是一个适用于英特尔 SGX 的内存安全、多进程库操作系统。 Occlum for Intel SGX 0.26.0 之前版本中 util/mem_util.rs 存在安全漏洞,该漏洞源于指针验证逻辑充当混淆代理。允许本地攻击者通过边信道分析访问未经授权的信息。
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
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II. Public POCs for CVE-2021-44421
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III. Intelligence Information for CVE-2021-44421
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