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Category:   Application (Security)  >   OpenSSL Vendors:   OpenSSL.org
OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018755
SecurityTracker URL:  http://securitytracker.com/id/1018755
CVE Reference:   CVE-2007-5135   (Links to External Site)
Date:  Oct 1 2007
Impact:   Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  
Version(s): 0.9.7m and 0.9.8e and prior versions
Description:   A vulnerability was reported in OpenSSL. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to applications that use the SL_get_shared_ciphers() function trigger an off-by-one overflow and execute arbitrary code on the target system. The code will run with the privileges of the target service.

The vulnerability resides in 'ssl/ssl_lib.c'.

The vendor was notified on June 6, 2007.

Moritz Jodeit reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   A fix is available via CVS.
Vendor URL:  www.openssl.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 4 2007 (FreeBSD Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
FreeBSD has released a fix.
Oct 12 2007 (Vendor Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
The vendor has issued a security advisory and a fixed version.
Oct 12 2007 (Red Hat Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Oct 22 2007 (Red Hat Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 2.1 and 3.
Oct 26 2007 (Sun Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
Sun has issued a fix for Solaris 10.
Nov 16 2007 (Red Hat Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Nov 30 2007 (HP Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
HP has issued a fix for Apache on HP-UX 11.11, 11.23, and 11.31.
Dec 7 2007 (IBM Issues Fix for HMC) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
IBM has issued a fix for the IBM Hardware Management Console.
May 8 2008 (NetBSD Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
NetBSD has released a fix for NetBSD 3.0 and 3.1.
Aug 1 2008 (Apple Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
Apple has issued a fix for Mac OS X.
Aug 13 2008 (VMware Issues Fix for ESX) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
VMware issues fix for ESX Server.



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