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CVE-2020-16121— PackageKit error messages leak presence and mimetype of files to unprivileged users

Quick assessment

Affected
PackageKit PackageKit
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.

PackageKit是一个适用于Linux系统的新的包管理器。 PackageKit 中存在安全漏洞。

CVSS 3.3 · Low EPSS 0.47% · P38

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2020-16121

Vulnerability Information
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Vulnerability Title
PackageKit error messages leak presence and mimetype of files to unprivileged users
Source: CVE Program / CVE List V5
Vulnerability Description
PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
PackageKit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PackageKit是一个适用于Linux系统的新的包管理器。 PackageKit 中存在安全漏洞。
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
PackageKit PackageKit 1.1.13-2ubuntu ~ 1.1.13-2ubuntu1.1 -

II. Public POCs for CVE-2020-16121

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III. Intelligence Information for CVE-2020-16121

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Security Blog Posts for CVE-2020-16121 (1)

Other References for CVE-2020-16121 (1)

IV. Related Vulnerabilities

Same product: PackageKit
Same vendor: PackageKit
Same weakness: CWE-209

V. Comments for CVE-2020-16121

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