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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(OpenBSD Issues Fix) OpenSSL ASN1 Structure Memory Access Error Lets Users Deny Service
SecurityTracker Alert ID:  1022011
SecurityTracker URL:  http://securitytracker.com/id/1022011
CVE Reference:   CVE-2009-0789   (Links to External Site)
Date:  Apr 8 2009
Impact:   Denial of service via local system, Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.9.8j and prior
Description:   A vulnerability was reported in OpenSSL. A remote or local user can cause denial of service conditions.

A remote or local user can supply a specially crafted ASN1 structure to an OpenSSL-based application to trigger a memory access flaw and cause the target application to crash.

Paolo Ganci reported this vulnerability.

Impact:   A remote user can cause denial of service conditions on the target system.

A local user can cause denial of service conditions on the target system.

Solution:   OpenBSD has issued the following patches.

ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/012_openssl.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.4/common/012_openssl.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/001_openssl.patch

Vendor URL:  www.openssl.org/news/secadv_20090325.txt (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (OpenBSD)
Underlying OS Comments:  4.3, 4.4, 4.5

Message History:   This archive entry is a follow-up to the message listed below.
Mar 25 2009 OpenSSL ASN1 Structure Memory Access Error Lets Users Deny Service



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