Sophos Anti-Virus CAB文件扫描 堆溢出漏洞

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漏洞ID 1195055 漏洞类型 边界条件错误
发布时间 2006-05-08 更新时间 2006-05-08
CVE编号 CVE-2006-0994 CNNVD-ID CNNVD-200605-186
漏洞平台 N/A CVSS评分 7.5
|漏洞来源
https://www.securityfocus.com/bid/17876
https://cxsecurity.com/issue/WLB-2006050066
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200605-186
|漏洞详情
SophosAnti-Virus是英国Sophos公司的一套适用于多种操作系统的反病毒软件。该软件可实时侦测和清除病毒、间谍软件、木马和蠕虫,确保台式机和笔记本电脑的全面网络保护。SophosAntiVirus在解压CAB头中包含有无效文件夹计数值的MicrosoftCabinet文件时存在堆溢出漏洞。如果启用了cabinet文件检查的话,则扫描到上述文件就会导致代码执行。
|漏洞EXP
ZDI-06-012: Sophos Anti-Virus CAB Unpacking Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-06-013.html
May  8, 2006

-- CVE ID:
CVE-2006-0994

-- Affected Vendor:
Sophos Plc.

-- Affected Products:
Sophos Anti-Virus for Windows, Mac OS, Unix, Linux, NetWare, OS/2, OpenVMS 
and DOS
Sophos Anti-Virus Small Business Editions for Windows and Mac OS
PureMessage for Windows/Exchange and UNIX
PureMessage Small Business Edition
MailMonitor for Windows, Notes/Domino and Exchange

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since March 14, 2006 by Digital Vaccine protection
filter IDs 4185, 4189. 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 Sophos AntiVirus. Authentication is not
required to exploit this vulnerability.

The specific flaw exists within the unpacking of Microsoft Cabinet
files that contain invalid folder count values within the CAB header.
Parsing of a specially crafted cabinet file can lead to an exploitable
heap corruption. This vulnerability is only exposed when cabinet file
inspection is explicitly enabled.

-- Vendor Response:
Sophos has addressed this issue in the latest versions of their virus
protection software. Further details are available at:

http://www.sophos.com/support/knowledgebase/article/4934.html

-- Disclosure Timeline:
2006.03.14 - Digital Vaccine released to TippingPoint customers
2006.03.20 - Vulnerability reported to vendor
2006.05.08 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by an anonymous researcher.

-- 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
Sophos PureMessage Small Business Edition 4.04 Sophos PureMessage for Windows/Exchange 5.2 Sophos PureMessage for UNIX 4.04 Sophos MailMonitor for SMTP 2.1 Sophos MailMonitor for SMTP 2.0
|参考资料

来源:MISC
链接:http://www.zerodayinitiative.com/advisories/ZDI-06-012.html
来源:BID
名称:17876
链接:http://www.securityfocus.com/bid/17876
来源:BUGTRAQ
名称:20060508ZDI-06-012:SophosAnti-VirusCABUnpackingCodeExecutionVulnerability
链接:http://www.securityfocus.com/archive/1/archive/1/433272/100/0/threaded
来源:VUPEN
名称:ADV-2006-1730
链接:http://www.frsirt.com/english/advisories/2006/1730
来源:SECTRACK
名称:1016041
链接:http://securitytracker.com/id?1016041
来源:SECUNIA
名称:20028
链接:http://secunia.com/advisories/20028
来源:XF
名称:sophos-cab-parsing-bo(26305)
链接:http://xforce.iss.net/xforce/xfdb/26305
来源:SREASON
名称:869
链接:http://securityreason.com/securityalert/869
来源:FULLDISC
名称:20060508ZDI-06-012:SophosAnti-VirusCABUnpackingCodeExecutionVulnerability
链接:http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/045897.html