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CVE-2024-29068— snapd non-regular file indefinite blocking read

CVSS 5.8 · Medium EPSS 0.03% · P8
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I. Basic Information for CVE-2024-29068

Vulnerability Information
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Vulnerability Title
snapd non-regular file indefinite blocking read
Source: NVD (National Vulnerability Database)
Vulnerability Description
In snapd versions prior to 2.62, snapd failed to properly check the file type when extracting a snap. The snap format is a squashfs file-system image and so can contain files that are non-regular files (such as pipes or sockets etc). Various file entries within the snap squashfs image (such as icons etc) are directly read by snapd when it is extracted. An attacker who could convince a user to install a malicious snap which contained non-regular files at these paths could then cause snapd to block indefinitely trying to read from such files and cause a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
snapd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
snapd是snapcore开源的一个跨平台的包管理工具。使系统能够使用.snap文件。 snapd 2.62之前版本存在安全漏洞，该漏洞源于未能正确检查文件类型。攻击者利用该漏洞可能导致拒绝服务。
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

VendorProductAffected VersionsCPESubscribe
Canonicalsnapd 0 ~ 2.62 -

II. Public POCs for CVE-2024-29068

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III. Intelligence Information for CVE-2024-29068

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Same Patch Batch · Canonical · 2024-07-25 · 3 CVEs total

CVE-2024-17246.3 MEDIUMsnapd allows $HOME/bin symlink
CVE-2024-290694.8 MEDIUMsnapd will follow archived symlinks when unpacking a filesystem

IV. Related Vulnerabilities

Same product: snapd
Same vendor: Canonical
Same weakness: CWE-20

V. Comments for CVE-2024-29068

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