CVSS: 6.9EPSS: 0%CPEs: 40EXPL: 0CVE-2021-3696 – grub2: Crafted PNG image may lead to out-of-bound write during huffman table handling
https://notcve.org/view.php?id=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 and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12. Puede producirse una escritura fuera de límites de la pila durante el manejo de las tablas Huffman en el lector PNG. • https://bugzilla.redhat.com/show_bug.cgi?id=1991686 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001 https://access.redhat.com/security/cve/CVE-2021-3696 • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 39EXPL: 0CVE-2021-3697 – grub2: Crafted JPEG image can lead to buffer underflow write in the heap
https://notcve.org/view.php?id=CVE-2021-3697
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12. Una imagen JPEG diseñada puede conllevar que el lector de JPEG desborde su puntero de datos, permitiendo que los datos controlados por el usuario sean escritos en la pila. • https://bugzilla.redhat.com/show_bug.cgi?id=1991687 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001 https://access.redhat.com/security/cve/CVE-2021-3697 • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 41EXPL: 0CVE-2021-3695 – grub2: Crafted PNG grayscale images may lead to out-of-bounds write in heap
https://notcve.org/view.php?id=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 exploited as an attacker needs to perform some triage over the heap layout to achieve signifcant results, also the values written into the memory are repeated three times in a row making difficult to produce valid payloads. This flaw affects grub2 versions prior grub-2.12. Una imagen PNG en escala de grises de 16 bits diseñada puede conllevar a una escritura fuera de límites en el área de la pila. • https://bugzilla.redhat.com/show_bug.cgi?id=1991685 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001 https://access.redhat.com/security/cve/CVE-2021-3695 • CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2022-32546
https://notcve.org/view.php?id=CVE-2022-32546
A vulnerability was found in ImageMagick, causing an outside the range of representable values of type 'unsigned long' at coders/pcl.c, when crafted or untrusted input is processed. This leads to a negative impact to application availability or other problems related to undefined behavior. Se ha encontrado una vulnerabilidad en ImageMagick, que causa una salida del rango de valores representables del tipo "unsigned long" en el archivo coders/pcl.c, cuando es procesada una entrada diseñada o no confiable. Esto conlleva un impacto negativo en la disponibilidad de la aplicación u otros problemas relacionados con un comportamiento indefinido • https://bugzilla.redhat.com/show_bug.cgi?id=2091812 https://github.com/ImageMagick/ImageMagick/commit/f221ea0fa3171f0f4fdf74ac9d81b203b9534c23 https://github.com/ImageMagick/ImageMagick6/commit/29c8abce0da56b536542f76a9ddfebdaab5b2943 https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html • CWE-190: Integer Overflow or Wraparound •
CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2022-32545
https://notcve.org/view.php?id=CVE-2022-32545
A vulnerability was found in ImageMagick, causing an outside the range of representable values of type 'unsigned char' at coders/psd.c, when crafted or untrusted input is processed. This leads to a negative impact to application availability or other problems related to undefined behavior. Se ha encontrado una vulnerabilidad en ImageMagick, que causa un fallo fuera del rango de valores representables del tipo "unsigned char" en el archivo coders/psd.c, cuando se procesa una entrada diseñada o no confiable. Esto conlleva a un impacto negativo en la disponibilidad de la aplicación u otros problemas relacionados con el comportamiento no definido • https://bugzilla.redhat.com/show_bug.cgi?id=2091811 https://github.com/ImageMagick/ImageMagick/commit/9c9a84cec4ab28ee0b57c2b9266d6fbe68183512 https://github.com/ImageMagick/ImageMagick6/commit/450949ed017f009b399c937cf362f0058eacc5fa https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html • CWE-190: Integer Overflow or Wraparound •