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I. Basic Information for CVE-2021-3899
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.
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
Canonical Apport 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Apport是英国Canonical公司的一款用于收集并反馈错误信息（当应用程序崩溃时操作系统认为有用的信息）的工具包。 Canonical Apport 存在竞争条件问题漏洞，该漏洞源于Apport错误地检测奔溃后可执行文件是否被替换。本地攻击者可能会利用该漏洞以 root 用户身份执行任意代码。
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
Canonical Ltd.Apport 0 ~ 2.21.0 -
II. Public POCs for CVE-2021-3899
#POC DescriptionSource LinkShenlong Link
1race condition in apport lead to Local Privilege Escalation on Ubuntuhttps://github.com/liumuqing/CVE-2021-3899_PoCPOC Details
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III. Intelligence Information for CVE-2021-3899
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IV. Related Vulnerabilities
Same product: Apport
Same vendor: Canonical Ltd.
V. Comments for CVE-2021-3899

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