CVE-2023-30571
3.9 · LOWOverview
CVE-2023-30571 is a low-severity vulnerability affecting libarchive libarchive. It was published on May 29, 2023 and has a CVSS 3.1 base score of 3.9 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Libarchive through 3.6.2 can cause 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.
Remediation
Check the references section for vendor advisories and patches from libarchive. Update libarchive to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| libarchive | libarchive | 0 | Affected |
Frequently Asked Questions
What is CVE-2023-30571?
CVE-2023-30571 is a low-severity vulnerability affecting libarchive libarchive. It was published on May 29, 2023 and has a CVSS 3.1 base score of 3.9 (LOW).
How severe is CVE-2023-30571?
This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-30571?
Check the references section for vendor advisories and patches from libarchive. Update libarchive to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-30571?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-30571 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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