Home / vulnerabilities Secunia Security Advisory 43299
Posted on 22 February 2011
Source : packetstormsecurity.org Link
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TITLE:
Microsoft Windows SMB Browser Election Request Parsing Vulnerability
SECUNIA ADVISORY ID:
SA43299
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43299/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43299
RELEASE DATE:
2011-02-19
DISCUSS ADVISORY:
http://secunia.com/advisories/43299/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)
http://secunia.com/advisories/43299/
ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
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* CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=43299
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION:
Cupidon-3005 has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious people to cause a DoS (Denial of
Service) or potentially compromise a vulnerable system.
The vulnerability is caused due to an integer underflow error when
processing a Browser Election request. This can be exploited to cause
a buffer overflow via an overly long Server Name string sent in a
specially crafted packet.
Successful exploitation may allow execution of arbitrary code, but
requires the target system to be a Master Browser.
The vulnerability is confirmed on a fully patched Windows Server 2003
Standard Edition SP2 (mrxsmb.sys version 5.2.3790.4671). Other
versions may also be affected.
SOLUTION:
Restrict access within a broadcast domain to trusted hosts only.
PROVIDED AND/OR DISCOVERED BY:
Cupidon-3005
ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0284.html
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
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