impactRansomware and APT Groups Nokoyawa Ransomware CVE-2023-28252 BITTER APT group CVE-2021-28310 PrintNightmare CVE-2021-1675 Raspberry Robin Malware CVE-2021-1732Nokoyawa Ransomware Who are they? energy, manufacturing, healthcare, software development and other industries.Nokoyawa Ransomware CVE-2023-28252 ● Elevation-of-privilege in Common Log File System (CLFS) clfs.sys driver ● Out-of-bounds 7. Create a spray .blf file 8. Groom the memory for the spray 9. Trigger the out-of-bounds write.CVE-2023-28252 Exploitation 1. First you need to get the kernel address To bypass ASLR and prepare the

. . . . . . . . . . 281 13.4.1 CVE-2018-3646 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281 13.4.2 CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 282 14 Known limitations 7, Nested paging and VPIDs, page 256. For Intel EPT security recommendations, see chapter 13.4.1, CVE-2018-3646, page 281. Starting with version 5.0, VirtualBox provides paravirtualization interfaces to execution. See chapter 13.4.1, CVE-2018-3646, page 281. • --l1d-flush-on-vm-enter on|off: Enables flushing of the level 1 data cache on VM enter. See chapter 13.4.1, CVE-2018-3646, page 281. • --cpu-profile

2017: Most Python code still written in “23” 2020: 2.x frozen and unsupported 2023: Still used, CVE backport requests ~12-year transition vs. 8 years per major version for 1→2→3 (1994→2000→2008) 2017: Most Python code still written in “23” 2020: 2.x frozen and unsupported 2023: Still used, CVE backport requests ~12-year transition vs. 8 years per major version for 1→2→3 (1994→2000→2008) 2017: Most Python code still written in “23” 2020: 2.x frozen and unsupported 2023: Still used, CVE backport requests ~12-year transition vs. 8 years per major version for 1→2→3 (1994→2000→2008)62

beyond leaving everything to the host OS. L1DFlushOnEMTScheduling If set and the host is affected by CVE-2018-3646, flushes the level 1 data cache when the EMT is scheduled to do ring-0 guest execution. There reasons this setting will be enabled by default. L1DFlushOnVMEntry If set and the host is affected by CVE-2018-3646, flushes the level 1 data on every VM entry. This setting may significantly slow down workloads need to be paranoid. MDSClearOnEMTScheduling If set and the host is affected by CVE-2018-12126, CVE-2018- 12127, or CVE-2018-12130, clears the relevant MDS buffers when the EMT is scheduled to do ring-0

Intelligence (AI) service 5. DCAR for the hardened containers 6. Common Vulnerabilities and Exposures (CVE)Service / host-based security to provide CVEs for the security sidecar container CSIAC Webinars

in open-source code Solution 6: Vulnerability monitoring, prevention, and response •Review public CVE databases (e.g. GitHub Advisory Database) •Run static analysis + dynamic analysis tools (e.g. Address

register addition) ▪ Parallel loads (2 or 3 per cycle) ▪ Downfall: Gather Data Sampling vulnerability CVE-2022-40982Possible Extension: globally overloadable operator[] Not a new idea, mentioned e.g. in https://www

an exception is raised at the first error, so there is only one log message per request. This fixes CVE-2025-47287. General Changes • Python 3.14 is now supported. Older versions of Tornado will work on server would spend excessive CPU time parsing cookies and block the event loop. This change fixes CVE-2024-7592. 6.9. Release notes 167Tornado Documentation, Release 6.5.1 6.9.4 What’s new in Tornado

an exception is raised at the first error, so there is only one log message per request. This fixes CVE- 2025-47287 [https://github.com/tornadoweb/tornado/security/advisories/GHSA-7cx3-6m66-7c5m]. General server would spend excessive CPU time parsing cookies and block the event loop. This change fixes CVE-2024-7592.What’s new in Tornado 6.4.1 Jun 6, 2024 Security Improvements Parsing of the Transfer-Encoding

的乘方。 对于基数为 10 来说已知最好的算法也有亚二次方复杂度。转换一个大数值如 int('1' * 500_000) 在 快速的 CPU 上也会花费一秒以上的时间。 限制转换大小是一项避免 CVE 2020-10735 的务实解决方式。 此限制会在可能涉及非线性转换算法时作用于输入或输出字符串中的数字型字符数量。下划线和正负号 不计入限制数量。 当一个操作会超出限制时，将引发ValueError: 解析大量词元 Expat 需要重新解析未完成的词元；在没有 Expat 2.6.0 所引入的防护措施的情况下，这会导致 可被用来在解析 XML 的应用程序中制造拒绝服务攻击的指数级运行时间。此问题被称为 CVE 2023-52425。 PyPI 上 defusedxml 的文档包含关于所有已知攻击向量的更多信息并附带示例和参考资料。 20.4. XML 处理模块 1225 The Python Library 索引 2113 The Python Library Reference, 发行版本 3.13.0 Common Vulnerabilities and Exposures CVE 2020-10735, 94 CVE 2023-52425, 1225 Common Weakness Enumeration CWE 257, 615 common_dirs（filecmp.dircmp 属性）