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Race Condition Affecting libarchive package, versions [0,]

0.0
low

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.3 medium
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Red Hat
5.3 medium

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  • Snyk ID SNYK-UNMANAGED-LIBARCHIVE-5660610
  • published 30 May 2023
  • disclosed 29 May 2023
  • credit xypiie
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Introduced: 29 May 2023

CVE-2023-30571 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

There is no fixed version for libarchive.

Overview

Affected versions of this package are vulnerable to Race Condition causing directories to have world-writable permissions. The umask() call inside archive_write_disk_posix.c changes the umask of the whole process for a very short period of time; a race condition with another thread can lead to a permanent umask 0 setting. Such a race condition could lead to implicit directory creation with permissions 0777 (without the sticky bit), which means that any low-privileged local user can delete and rename files inside those directories.