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TITLE:
Samba SMB1 Packet Chaining Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA40145

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40145/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40145

RELEASE DATE:
2010-06-19

DISCUSS ADVISORY:
http://secunia.com/advisories/40145/#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/40145/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40145

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:
A vulnerability has been reported in Samba, which can be exploited by
malicious people to potentially compromise a vulnerable system.

The vulnerability is caused due to an unspecified error when chaining
received SMB1 packets. This can be exploited to corrupt memory by
sending a specially crafted packet to an affected server.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in 3.x versions prior to 3.3.13.

SOLUTION:
Update to version 3.3.13 or apply patches.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
Jun Mao, iDefense Labs.

ORIGINAL ADVISORY:
Samba:
http://www.samba.org/samba/security/CVE-2010-2063.html

iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=873

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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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Secunia NEVER sends attached files with advisories.
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