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Secunia is pleased to announce the release of the annual Secunia
report for 2008.

Highlights from the 2008 report:
 * Vulnerability Research
 * Software Inspection Results
 * Secunia Research Highlights
 * Secunia Advisory Statistics

Request the full 2008 Report here:
http://secunia.com/advisories/try_vi/request_2008_report/

Stay Secure,

Secunia


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TITLE:
OpenSSL Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA34411

VERIFY ADVISORY:
http://secunia.com/advisories/34411/

DESCRIPTION:
Some vulnerabilities have been reported in OpenSSL, which can be
exploited by malicious people to bypass certain security restrictions
or cause a DoS (Denial of Service). 

1) An error exists in the "ASN1_STRING_print_ex()" function when
printing "BMPString" or "UniversalString" strings. This can be
exploited to trigger an access to invalid memory and cause a crash
via an illegal encoded string length when e.g. printing the contents
of a certificate.

2) The "CMS_verify()" function incorrectly handles an error condition
when processing malformed signed attributes. This can be exploited to
trick an application into considering a malformed set of signed
attributes valid and skip further checks.

NOTE: This vulnerability only affects OpenSSL versions 0.9.8h and
later with CMS enabled (disabled by default).

Successful exploitation requires access to a previously generated
invalid signature.

3) An error when processing malformed ASN1 structures can be
exploited to trigger an access to invalid memory and cause a crash
via a specially crafted certificate.

NOTE: This vulnerability is only present on platforms where the size
of "long" is smaller than the size of "void *" (e.g. WIN64).

The vulnerabilities are reported in versions prior to 0.9.8k.

SOLUTION:
Update to version 0.9.8k.

PROVIDED AND/OR DISCOVERED BY:
1) Reported by the vendor.
2) The vendor credits Ivan Nestlerode of IBM.
3) The vendor credits Paolo Ganci.

ORIGINAL ADVISORY:
http://www.openssl.org/news/secadv_20090325.txt

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About:
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