cve-2024-46483

CVE-2024-46483 - Xlight SFTP 服务器预认证堆溢出 受影响版本 32位和64位 Xlight 版本 = 3.9.4.2 影响 未认证的攻击者可访问 Xlight SFTP，从而实现代码执行或引发拒绝服务。 根本原因 SFTP 协议中通过线路发送的字符串前面带有四个字节的长度前缀。Xlight 用于从网络数据包读取这些字符串的函数，在验证长度和分配所需内存时存在整数溢出。通过构造字符串的四个字节长度，我们可以触发一次从攻击者控制的缓冲区向堆外进行的大规模 memmove（约4GB）。 该易受攻击的函数用于 SSH...

ABL_ROP

使用 ROP 更新 ABL 串行号： 当运行此笔记本时，将加载 ABL 并尝试通过 ROP 链调用 memmove 来更新设备的串行号。源自 eShard 的 https://github.com/eshard/pixel6-boot/blob/main/runablpublic.ipynb，同时参考了 https://eshard.com/posts/pixel6bootloader。 输出 root@kitploit: partition misc not found failed to read miscvendor partition -2 0.000000 E PXL coul...

CVE-2021-21551

CVE-2021-21551 Proof of concept exploit for CVE-2021-21551, vulnerability comes from user provided addresses being provided as arguments to a memmove call allowing for an arbitary read/write ioctls 0x9B0C1EC4 and 0x9B0C1EC8 as well as the physical address parameter for a MmMapIoSpace call that...

CVE-2024-26160

CVE-2024-26160 vulnerabilidad de divulgación de información en cldflt.sys Hay un pequeño análisis sobre CVE-2024-26160 , que se puede encontrar en el parche de febrero KB5034765 , Windows 11 22H2, Windows 11 23H2. La vulnerabilidad se cerró en el parche de marzo KB5035853. Análisis La...

CVE-2025-62821

Extensiones de imágenes HEIF de Microsoft msheifstore.dll: Subasignación del búfer de origen en la ruta CopyPixels que conduce a lectura fuera de límites y violación de acceso DoS Al decodificar una imagen HEIF maliciosa a través de WIC, el códec msheif asigna un búfer de origen de 1 byte, pero...

freebsd-CVE-2026-7270

Ref https://github.com/califio/publications/tree/main/MADBugs/freebsd-CVE-2026-7270 CVE-2026-7270 Escalada de privilegios local en FreeBSD medianteexecargsadjustargs con memmove fuera de límites Un error de precedencia de operadores en execargsadjustargs sys/kern/kernexec.c, presente desde 2013...

CVE-2026-19499

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499 Buffer overflow in strfmon and strfmon_l right-justification padding

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

CVE-2026-19499 Buffer overflow in strfmon and strfmon_l right-justification padding

Calling strfmon and strfmonl in the GNU C Library version 2.38 to 2.44 can write past the end of the caller-supplied output buffer when a conversion uses right-justified width padding. Exploitation requires an application code path that calls strfmon or strfmonl with right-justified width padding...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can cause an integer overflow in the memmove function, resulting in a heap-based buffer overflow in the ntfsattrrecordresize function, as of NTFS-3G version 2021.8.22...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “vt: fix unicode buffer corruption when deleting characters” This is the same issue that was fixed for the VGA text buffer in commit 39cdb68c64d8 “vt: fix memory overlapping when deleting chars in the buffer”. The solution is als...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: kobjectuevent: Fixed issues related to OOB access within zapmodaliasenv. The zapmodaliasenv function incorrectly calculates the size of the memory block to be moved. This can lead to OOB out-of-band memory access issues if the...

CVE-2023-52356-libtiff-analysis

CVE-2023-52356 – Análisis de TIFFReadRGBATileExt de libtiff Resumen Este laboratorio analiza la CVE-2023-52356 en libtiff, centrándose en el comportamiento de TIFFReadRGBATileExt cuando recibe coordenadas de imagen fuera de los límites válidos de la imagen. El análisis incluye la reproducción del...

AZL-100515 CVE-2026-89542 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

UBUNTU-CVE-2026-89493

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i rfrecords.rlused; i++ rec = &rb-rfrecords.rlrecsi; ... rlrecs lives in a single...

CVE-2026-89542

CVE-2026-89542 is a CRITICAL (CVSS 9.8) vulnerability in the Linux kernel's SUNRPC subsystem, specifically in the gss_krb5_unwrap_v2() function. When processing GSS-KRB5 tokens, the function reads header fields at fixed offsets before validating that the token is at least 16 bytes long, causing o...

EUVD-2026-76453

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

CVE-2026-89493 ocfs2: validate rl_used against rl_count in refcount block validator

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i rfrecords.rlused; i++ rec = &rb-rfrecords.rlrecsi; ... rlrecs lives in a single...

CVE-2026-89493

CVE-2026-89493 is an out-of-bounds read/write in the Linux kernel's OCFS2 filesystem module. The root cause is that ocfs2_validate_refcount_block() never validates rl_used and rl_count against the block's fixed on-disk capacity (247 records in a 4K block). A crafted or corrupted refcount block wi...

PT-2026-90258

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss krb5 unwrap v2 against short tokens gss krb5 unwrap v2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSS KRB5 TOK HDR LEN 16 bytes long, and its rotate left...