关联漏洞
标题:Microsoft Exchange Server 安全漏洞 (CVE-2022-41080)Description:Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server存在安全漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2016 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 12,Microsoft Exchange Ser
介绍
# CVE-2022-41080
## Desc
- CrowdStrike recently discovered a new exploit method (called OWASSRF) consisting of CVE-2022-41080 and CVE-2022-41082 to achieve remote code execution (RCE) through Outlook Web Access (OWA). The new exploit method bypasses URL rewrite mitigations for the Autodiscover endpoint provided by Microsoft in response to ProxyNotShell.
- The discovery was part of recent CrowdStrike Services investigations into several Play ransomware intrusions where the common entry vector was confirmed to be Microsoft Exchange.
- After initial access via this new exploit method, the threat actor leveraged legitimate Plink and AnyDesk executables to maintain access, and performed anti-forensics techniques on the Microsoft Exchange server in an attempt to hide their activity.
## Poc
## More
[https://www.crowdstrike.com/blog/owassrf-exploit-analysis-and-recommendations/](https://www.crowdstrike.com/blog/owassrf-exploit-analysis-and-recommendations/)
文件快照
[4.0K] /data/pocs/fa6e1f951c582347421d70409066939bc4b347ee
├── [979K] Poc.png
└── [ 988] README.md
0 directories, 2 files
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