CWE
674 119
Advisory Published
CVE Published
Updated

CVE-2021-39257: Buffer Overflow

First published: Mon Sep 06 2021(Updated: )

A crafted NTFS image with an unallocated bitmap can lead to a endless recursive function call chain (starting from ntfs_attr_pwrite), causing stack consumption in NTFS-3G < 2021.8.22.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ntfs3g<2021.8.22
2021.8.22
debian/ntfs-3g
1:2017.3.23AR.3-4+deb11u3
1:2022.10.3-1
1:2022.10.3-3
ntfs-3g<2021.8.22
Debian=9.0
Debian=10.0
Debian=11.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-39257?

    CVE-2021-39257 is classified as a high severity vulnerability due to potential stack exhaustion.

  • How do I fix CVE-2021-39257?

    To mitigate CVE-2021-39257, upgrade your ntfs-3g version to 2021.8.22 or later.

  • What software is affected by CVE-2021-39257?

    CVE-2021-39257 affects ntfs-3g versions prior to 2021.8.22 on various operating systems.

  • What kind of attack does CVE-2021-39257 involve?

    CVE-2021-39257 involves a crafted NTFS image that can cause endless recursive function calls.

  • Who is responsible for addressing CVE-2021-39257?

    The maintainers of ntfs-3g and the respective operating system distributions are responsible for addressing CVE-2021-39257.

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