Date: Thu, 26 May 2022 11:46:56 +0300 From: Jussi Hietanen <jussi.hietanen@...era.com> To: oss-security@...ts.openwall.com Cc: Jean-Pierre André <jean-pierre.andre@...adoo.fr> Subject: OPEN SOURCE NTFS-3G SECURITY ADVISORY NTFS3G-SA-2022-0001 Security vulnerabilities were identified in the open source NTFS-3G and NTFSPROGS software. These vulnerabilities were confirmed and resolved. To our knowledge, these vulnerabilities have not been exploited. These vulnerabilities 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. These vulnerabilities result from incorrect validation of some of the NTFS metadata that could potentially cause buffer overflows, 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. WORKAROUND: None SOLUTION: Upgrade to 2022.5.17 PROJECT URL: https://github.com/tuxera/ntfs-3g ADVISORY ID: NTFS3G-SA-2022-0001 ISSUE DATE: 2022-05-26 SEVERITY: Moderate CVEs: CVE-2021-46790, CVE-2022-30784, CVE-2022-30786, CVE-2022-30788, CVE-2022-30789 CVSS SCORE: 5.0-6.7
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