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TITLE:
OpenSSL Cryptographic Message Syntax "OriginatorInfo" Vulnerability

SECUNIA ADVISORY ID:
SA40000

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40000/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40000

RELEASE DATE:
2010-06-03

DISCUSS ADVISORY:
http://secunia.com/advisories/40000/#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/40000/

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=40000

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 OpenSSL, which can be exploited
by malicious people to potentially compromise an application using
the library.

The vulnerability is caused due to an error when handling CMS
(Cryptographic Message Syntax) structures. This can be exploited to
trigger a write to an invalid memory address or a double-free via a
specially crafted CMS structure containing an "OriginatorInfo"
element.

Successful exploitation may allow execution of arbitrary code, but
requires that CMS is enabled (disabled by default in 0.9.x).

The vulnerability is reported in versions 0.9.8h and later.

SOLUTION:
Update to version 0.9.8o.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Ronald Moesbergen.

ORIGINAL ADVISORY:
http://www.openssl.org/news/secadv_20100601.txt

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.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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