Grub2: ufs: integer overflow may lead to heap based out-of-bounds write when handling symlinks

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Grub2: grub-core/gettext: integer overflow leads to heap oob write.

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GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.

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GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.

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Linux Distros Unpatched Vulnerability : CVE-2020-14309

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size...

Linux Distros Unpatched Vulnerability : CVE-2021-3696

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space...

Linux Distros Unpatched Vulnerability : CVE-2022-28736

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - There's a use-after-free vulnerability in grubcmdchainloader function; The chainloader command is used to boot up operating systems that doesn't support multibo...

Linux Distros Unpatched Vulnerability : CVE-2024-2312

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to ...

Linux Distros Unpatched Vulnerability : CVE-2022-28734

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one...

Linux Distros Unpatched Vulnerability : CVE-2024-23301

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Relax-and-Recover aka ReaR through 2.7 creates a world-readable initrd when using GRUBRESCUE=y. This allows local attackers to gain access to system secrets...

Linux Distros Unpatched Vulnerability : CVE-2022-28733

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer underflow in grubnetrecvip4packets; A malicious crafted IP packet can lead to an integer underflow in grubnetrecvip4packets function on rsm-totallen...

Linux Distros Unpatched Vulnerability : CVE-2023-4001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the passwo...

Linux Distros Unpatched Vulnerability : CVE-2023-4693

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS...

Linux Distros Unpatched Vulnerability : CVE-2020-14311

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of...

Linux Distros Unpatched Vulnerability : CVE-2022-2601

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A buffer overflow was found in grubfontconstructglyph. A malicious crafted pf2 font can lead to an overflow when calculating the maxglyphsize value, allocating ...

Linux Distros Unpatched Vulnerability : CVE-2023-4949

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker with local access to a system either through a disk or external drive can present a modified XFS partition to grub-legacy in such a way to exploit a...

Linux Distros Unpatched Vulnerability : CVE-2020-14308

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the functio...

Linux Distros Unpatched Vulnerability : CVE-2020-15705

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel...

Linux Distros Unpatched Vulnerability : CVE-2020-15706

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GRUB2 contains a race condition in grubscriptfunctioncreate leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the...

Linux Distros Unpatched Vulnerability : CVE-2017-10929

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The grubmemmove function in shlr/grub/kern/misc.c in radare2 1.5.0 allows remote attackers to cause a denial of service heap-based buffer overflow and applicati...