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gnu grub vulnerabilities and exploits
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6.8
CVSSv3
CVE-2023-4001
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 password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick...
Gnu Grub2 -
Redhat Enterprise Linux 9.0
Fedoraproject Fedora 38
Fedoraproject Fedora 39
6.7
CVSSv3
CVE-2023-4949
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 memory corruption in grub’s XFS file system implementation.
Gnu Grub
Xen Xen -
8.1
CVSSv3
CVE-2022-28733
Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a small integer number ...
Gnu Grub2
7
CVSSv3
CVE-2022-28734
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 position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buf...
Gnu Grub2
Netapp Active Iq Unified Manager -
7.8
CVSSv3
CVE-2022-28735
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
Gnu Grub2
7.8
CVSSv3
CVE-2022-28736
There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free v...
Gnu Grub2
7.1
CVSSv3
CVE-2022-3775
When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and height is constrained within bitmap size. As consequence an attacker can craft an input which will lead to a out-of-bounds write into grub2's ...
Gnu Grub2
Redhat Enterprise Linux 8.0
8.6
CVSSv3
CVE-2022-2601
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bound...
Gnu Grub2
Redhat Enterprise Linux Server Tus 8.2
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Update Services For Sap Solutions 8.2
Redhat Enterprise Linux Server Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.2
Fedoraproject Fedora 37
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 9.0
Redhat Enterprise Linux For Power Little Endian Eus 9.0
Redhat Enterprise Linux Eus 9.0
Redhat Enterprise Linux Server Update Services For Sap Solutions 9.0
4.5
CVSSv3
CVE-2021-3695
A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of that to cause heap data corruption or eventually arbitrary code execution and circumvent secure boot protections. This issue has a high complexity to be expl...
Gnu Grub2
Fedoraproject Fedora 36
Redhat Openshift 3.0
Redhat Enterprise Linux 8.0
Redhat Developer Tools 1.0
Redhat Enterprise Linux 8.1
Redhat Enterprise Linux Eus 8.2
Redhat Enterprise Linux Server Tus 8.2
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Tus 8.4
Redhat Enterprise Linux Eus 8.4
Redhat Enterprise Linux Server Aus 8.4
Redhat Enterprise Linux For Power Little Endian Eus 8.2
Redhat Enterprise Linux For Power Little Endian 8.0
Redhat Enterprise Linux For Power Little Endian Eus 8.4
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.2
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.4
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.6
Redhat Enterprise Linux Server Aus 8.6
Redhat Enterprise Linux Server Tus 8.6
Redhat Enterprise Linux Eus 8.6
4.5
CVSSv3
CVE-2021-3696
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. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding...
Gnu Grub2
Redhat Openshift 3.0
Redhat Enterprise Linux 8.0
Redhat Developer Tools 1.0
Redhat Enterprise Linux 8.1
Redhat Enterprise Linux Eus 8.2
Redhat Enterprise Linux Server Tus 8.2
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Tus 8.4
Redhat Enterprise Linux Eus 8.4
Redhat Enterprise Linux Server Aus 8.4
Redhat Enterprise Linux For Power Little Endian Eus 8.2
Redhat Enterprise Linux For Power Little Endian 8.0
Redhat Enterprise Linux For Power Little Endian Eus 8.4
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.2
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.4
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.6
Redhat Enterprise Linux Server Aus 8.6
Redhat Enterprise Linux Server Tus 8.6
Redhat Enterprise Linux Eus 8.6
Redhat Enterprise Linux For Power Little Endian Eus 8.6
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-3581
reflected XSS
CVE-2024-26925
CVE-2024-27956
LFI
CVE-2024-3607
CVE-2024-3107
CVE-2024-3295
SQL
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