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Category:   Application (Security)  >   Cyrus SASL Vendors:   Carnegie Mellon University
(Sun Issues Fix) Cyrus SASL Buffer Overflow in sasl_encode64 Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022239
SecurityTracker URL:  http://securitytracker.com/id/1022239
CVE Reference:   CVE-2009-0688   (Links to External Site)
Updated:  Jul 28 2009
Original Entry Date:  May 18 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.1.22 and prior versions
Description:   A vulnerability was reported in Cyrus SASL. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a buffer overflow in the sasl_encode64() function and execute arbitrary code on the target system. The code will run with the privileges of the target service.

The original advisory is available at:

http://www.kb.cert.org/vuls/id/238019

US-CERT reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Sun has issued a fix for OpenSolaris.

SPARC Platform

* OpenSolaris based upon builds snv_118 or later

x86 Platform

* OpenSolaris based upon builds snv_118 or later

Sun is working on a fix for Solaris 10.

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-259148-1

Vendor URL:  asg.web.cmu.edu/sasl/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  10, OpenSolaris

Message History:   This archive entry is a follow-up to the message listed below.
May 15 2009 Cyrus SASL Buffer Overflow in sasl_encode64 Lets Remote Users Execute Arbitrary Code



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