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u-boot

u-boot-nezha

An integer overflow vulnerability exists in the sqfs_resolve_symlink function of Das U-Boot before version 2025.01-rc1. This occurs when processing a crafted squashfs filesystem with an inode size of 0xffffffff, leading to a malloc of zero bytes and a subsequent memory overwrite. This flaw can cause U-Boot to crash or potentially allow arbitrary code execution. The issue affects multiple Ubuntu package versions of U-Boot and has been assigned CVE-2024-57255. A patch is available to address this vulnerability.

CVE-2024-57255 describes an integer overflow in the sqfs_resolve_symlink function within Das U-Boot versions prior to 2025.01-rc1. The vulnerability arises from improper handling of inode size calculations in squashfs filesystems, specifically when the inode size is set to 0xffffffff. This triggers a zero-byte malloc call, which leads to memory overwrite conditions. Exploitation of this flaw can cause denial of service via crashes or enable arbitrary code execution. The vulnerability has a CVSS 3.1 score of 7.1, indicating a medium severity level, with network attack vector requiring high attack complexity and no privileges or user interaction needed. Multiple Ubuntu U-Boot package versions are affected, and an official patch is available as detailed in the Ubuntu security notice USN-8056-1.

Detailed information about An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode s

An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of… (CVE-2024-57255) - Live Threat Intelligence - Threat Radar | OffSeq.com

An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of… (CVE-2024-57255)

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