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Synology DSM4 Blind SQL Injection
From: Michael Wisniewski <wiz561 () gmail com>
Date: Wed, 12 Mar 2014 19:34:10 -0500

Title: Synology DSM Blind SQL Injection
Version affected: <= 4.3-3827
Vendor: Synology
Discovered by: Michael Wisniewski
Status: Patched

The file "/photo/include/blog/article.php" contains a Blind SQL
Injection Vulnerability in the 'value' variable in the URL.

The vendor was contacted approximately 2 weeks ago.  They reviewed the
information and determined that it is vulnerable and a patch has been
released.  The DSM5 official release contains this patch, which was
released earlier this week.  An update for DSM4.x will be released
later this month to address this issue in the 4.x line.  The vendor
also stated that it will be fixed in the next Photo Station hotfix for
the 4.x line.

Work-around: If you don't use the blog, just rename the file.

POST /photo/include/blog/article.php HTTP/1.1
Content-Length: 59
Content-Type: application/x-www-form-urlencoded
X-Requested-With: XMLHttpRequest
Referer: <ip>:80/ <>
Cookie: PHPSESSID=<foo>; visit_day=<foo>
Host: <foo>
Connection: Keep-alive
Accept-Encoding: gzip,deflate
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/28.0.1500.63 Safari/537.36
Accept: */*


It responds with:

All posts without a label
Synology Blog
2008-01-01 00:00:00 Published by:Synology Blog


- 3/1/14: Contacted Vendor with Details of Vulnerability and Exploit.
- 3/2/14: Vendor responded with 'they are investigating'.
- 3/4/14: Vendor responded with it being fixed in DSM5 and DSM4.x (4.x
patched later in the month)
- 3/10/14: DSM5 Released
- 3/10/14: Contacted Vendor Final Time to make sure it's OK to release the

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  • Synology DSM4 Blind SQL Injection Michael Wisniewski (Mar 13)
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