По работе активно использую ChatGPT, часто бывает ситуации, когда модель позволяет найти решение, о котором даже не подозревал. В этом году он стал реальными помощником в поиске информации наравне с Google. Если в Google нужно вводить точный запрос и искать в выдаче подходящее решение, то…
Привет. Я Марат Сибгатулин — сетевик в Яндексе, работаю в команде Yandex Infrastructure. И сегодня я расскажу вам одну поучительную историю.Жили были два сервера. Да и не сервера вовсе, а виртуальные машины. Жили не тужили, добро наживали, скриптами разными обрастали. Три года они трудились на славу облака да во имя автоматизации. Пока не наступили чёрные дни для RAID-массива на гипервизоре. Это присказка, не сказка. Сказка впереди
The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an incomplete fix for CVE-2016-10009.
It is identified a vulnerability of Unrestricted Upload of File with Dangerous Type in the file uploading function in InfoDoc Document On-line Submission and Approval System, which allows an unauthenticated remote attacker to exploit this vulnerability to upload and run arbitrary executable files to perform arbitrary system commands or disrupt service. This issue affects Document On-line Submission and Approval System: 22547, 22567.
HashiCorp Nomad Enterprise 1.2.11 up to 1.5.6, and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.
HashiCorp Nomad and Nomad Enterprise 0.11.0 up to 1.5.6 and 1.4.1 HTTP search API can reveal names of available CSI plugins to unauthenticated users or users without the plugin:read policy. Fixed in 1.6.0, 1.5.7, and 1.4.1.
HashiCorp Nomad and Nomad Enterprise 0.7.0 up to 1.5.6 and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.
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 which will be used in memory allocation. If the attack succeeds in such way, subsequent operations can write past the end of the buffer.
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 buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata.
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.