Date: Mon, 31 Oct 2022 10:52:16 +0000 From: Rakesh Pandit <rakesh@...era.com> To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com> CC: Erik Larsson <erik@...era.com>, Jean-Pierre Andre <jean-pierre.andre@...adoo.fr>, Szabolcs Szakacsits <szaka@...era.com> Subject: OPEN SOURCE NTFS-3G SECURITY ADVISORY NTFS3G-SA-2022-0003 A security vulnerability was identified in the open source NTFS-3G and NTFSPROGS software. The vulnerability was confirmed and resolved. To our knowledge, this vulnerability has not been exploited. This vulnerability may allow an attacker using a maliciously crafted NTFS-formatted image file or external storage to potentially execute arbitrary privileged code, if the attacker has either local access and the ntfs-3g binary is setuid root, or if the attacker has physical access to an external port to a computer which is configured to run the ntfs-3g binary or one of the ntfsprogs tools when the external storage is plugged into the computer. This vulnerability results from incorrect validation of some of the NTFS metadata that could potentially cause buffer overflow, which could be exploited by an attacker. Common ways for attackers to gain physical access to a machine is through social engineering or an evil maid attack on an unattended computer. We recommend installing and applying the update with the security fixes, and advise to follow security guidance and frameworks such as NIST for assessing and improving an organization’s abilities to prevent, detect, and respond to security threats and cyber attacks. AFFECTED PRODUCTS: All previous versions of open source NTFS-3G and NTFSPROGS. This release code is available on : https://github.com/tuxera/ntfs-3g/releases/tag/2022.10.3 and the new release tarball can be downloaded from : https://tuxera.com/opensource/ntfs-3g_ntfsprogs-2022.10.3.tgz We would like to thank Yuchen Zeng and Eduardo Vela for having reported on the flaw they discovered. WORKAROUND: None SOLUTION: 2022.10.3 PROJECT URL: https://github.com/tuxera/ntfs-3g ADVISORY ID: NTFS3G-SA-2022-0003 ISSUE DATE: 31.10.2022 SEVERITY: Moderate CVEs: CVE-2022-40284 CVSS SCORE: 5.0-6.7
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