雅虎通音频会议ActiveX控件远程栈溢出漏洞

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漏洞ID 1191101 漏洞类型 缓冲区溢出
发布时间 2007-04-03 更新时间 2007-04-10
CVE编号 CVE-2007-1680 CNNVD-ID CNNVD-200704-088
漏洞平台 N/A CVSS评分 9.3
|漏洞来源
https://www.securityfocus.com/bid/23291
https://cxsecurity.com/issue/WLB-2007040027
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200704-088
|漏洞详情
雅虎通是一款非常流行的即时通讯工具。雅虎通的音频会议ActiveX控件实现上存在缓冲区溢出漏洞,远程攻击者可能利用此漏洞控制用户机器。在雅虎通的Yahoo.AudioConf控件中:DLL:yacscom.dllCLSID:85A4A99C-8C3D-499E-A386-E0743DFF8FB7如果攻击者为socksHostname和hostname属性指定了超长字符串,然后调用了createAndJoinConference(),就会触发栈溢出,导致执行任意指令。
|漏洞EXP
ZDI-07-012: Yahoo! Messenger AudioConf ActiveX Control Buffer Overflow
http://www.zerodayinitiative.com/advisories/ZDI-07-012.html
April  3, 2007

-- CVE ID:
CVE-2007-1680

-- Affected Vendor:
Yahoo!

-- Affected Products:
Yahoo! Messenger 8.x

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since November 10, 2006 by Digital Vaccine protection
filter ID 4791. For further product information on the TippingPoint IPS:

http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Yahoo Messenger. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page.

The specific flaw exists within the ActiveX control Yahoo.AudioConf:

DLL:   yacscom.dll
    CLSID: 85A4A99C-8C3D-499E-A386-E0743DFF8FB7

When large values are specified for the 'socksHostname' and 'hostname'
properties, and the createAndJoinConference() method is called, a stack
overflow occurs. Exploitation can result in code execution under the
context of the current user.

-- Vendor Response:
Yahoo has issued an update to correct this vulnerability. More details
can be found at:

http://messenger.yahoo.com/security_update.php?id=031207

-- Disclosure Timeline:
2006.10.27 - Vulnerability reported to vendor
2006.11.10 - Digital Vaccine released to TippingPoint customers
2007.04.03 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Peter Vreugdenhil.

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, a division of 3Com, The Zero Day Initiative
(ZDI) represents a best-of-breed model for rewarding security
researchers for responsibly disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is used.
3Com does not re-sell the vulnerability details or any exploit code.
Instead, upon notifying the affected product vendor, 3Com provides its
customers with zero day protection through its intrusion prevention
technology. Explicit details regarding the specifics of the
vulnerability are not exposed to any parties until an official vendor
patch is publicly available. Furthermore, with the altruistic aim of
helping to secure a broader user base, 3Com provides this vulnerability
information confidentially to security vendors (including competitors)
who have a vulnerability protection or mitigation product.
|受影响的产品
Yahoo! Messenger 8.0 Yahoo! Messenger 8.1.0.239 Yahoo! Messenger 8.1.0.209 Yahoo! Messenger 8.0.0.863 Yahoo! Messenger 8.0 2005.1.1.4
|参考资料

来源:VU#388377
名称:VU#388377
链接:http://www.kb.cert.org/vuls/id/388377
来源:MISC
链接:http://www.zerodayinitiative.com/advisories/ZDI-07-012.html
来源:BID
名称:23291
链接:http://www.securityfocus.com/bid/23291
来源:VUPEN
名称:ADV-2007-1219
链接:http://www.frsirt.com/english/advisories/2007/1219
来源:SECUNIA
名称:24742
链接:http://secunia.com/advisories/24742
来源:messenger.yahoo.com
链接:http://messenger.yahoo.com/security_update.php?id=031207
来源:BUGTRAQ
名称:20070403ZDI-07-012:Yahoo!MessengerAudioConfActiveXControlBufferOverflow
链接:http://www.securityfocus.com/archive/1/archive/1/464607/100/0/threaded
来源:OSVDB
名称:34319
链接:http://osvdb.org/34319
来源:XF
名称:yahoo-yahooaudioconf-activex-bo(33408)
链接:http://xforce.iss.net/xforce/xfdb/33408
来源:SECTRACK
名称:1017867
链接:http://www.securitytracker.com/id?1017867
来源:SREASON
名称:2523
链接:http://securityreason.com/securityalert/2523