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Category:   Application (Generic)  >   CA ARCserve Backup Vendors:   CA
CA ARCserve Backup xdr Function Buffer Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020044
SecurityTracker URL:  http://securitytracker.com/id/1020044
CVE Reference:   CVE-2008-2242   (Links to External Site)
Date:  May 19 2008
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 11.0, 11.1, 11.5
Description:   A vulnerability was reported in CA ARCserve Backup. A remote user can execute arbitrary code on the target system.

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

Several xdr functions are affected.

CA Server Protection Suite, CA Business Protection Suite, and CA Business Protection Suite for Microsoft Small Business Server (Standard and Premium Editions) are also affected.

CA ARCserve Backup r11.5 SP4 and r12 are not affected.

Damian Put reported this vulnerability via ZDI/TippingPoint and an anonymous researcher reported this vulnerability via iDefense VCP.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued the following patches.

CA ARCserve Backup r11.5 Windows:
QO92996

CA ARCserve Backup r11.1 Windows:
QO92849

CA ARCserve Backup r11.0 Windows:
Upgrade to 11.1 and apply the latest patches.

CA Protection Suites r2:
QO92996

The issues can also be addressed by applying CA ARCserve Backup
11.5 SP4 for Windows:
QO99129

For CA ARCserve Backup r11.5 and r11.1 on UNIX and Linux based
platforms, upgrade to 11.5 SP3.

Note: The upgrade for 11.1 requires new license keys, which are
available for free until December 31, 2008. Visit the following
link for more information.
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=172649

CA ARCserve Backup r11.5 Linux/x86/IA-64/x86_64:
QO89980

CA ARCserve Backup r11.5 Tru64:
QO89985

CA ARCserve Backup r11.5 HP-UX:
QO89984

CA ARCserve Backup r11.5 Solaris:
QO89982

CA ARCserve Backup r11.5 AIX:
QO89981

CA ARCserve Backup r11.5 Linux/s390:
QO89983

CA ARCserve Backup r11.1 Linux/x86/IA-64/x86_64:
QO89980

CA ARCserve Backup r11.1 Tru64:
QO89985

CA ARCserve Backup r11.1 HP-UX:
QO89984

CA ARCserve Backup r11.1 Solaris:
QO89982

CA ARCserve Backup r11.1 AIX:
QO89981

CA ARCserve Backup r11.1 Linux/s390:
QO89983

The vendor's advisory is available at:

https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=176798

Vendor URL:  support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=176798 (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), UNIX (Tru64), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Mon, 19 May 2008 17:39:48 -0400
Subject:  CA ARCserve Backup caloggerd and xdr Functions Vulnerabilities

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Title: CA ARCserve Backup caloggerd and xdr Functions 
Vulnerabilities


CA Advisory Date: 2008-05-19


Reported By: An anonymous researcher working with the iDefense VCP
             Damian Put working with ZDI/TippingPoint


Impact: A remote attacker can cause a denial of service or execute 
arbitrary code.


Summary: CA ARCserve Backup contains multiple vulnerabilities that 
can allow a remote attacker to cause a denial of service or 
execute arbitrary code. CA has issued patches to address the 
vulnerabilities. The first vulnerability, CVE-2008-2241, is due to 
insufficient path verification by the logging service, caloggerd. 
An attacker can append data to arbitrary files, which can lead to 
system compromise. The second vulnerability, CVE-2008-2242, is due 
to insufficient bounds checking by multiple xdr functions. An 
attacker can cause an overflow and execute arbitrary code.


Mitigating Factors: These issues affect only the server 
installation.


Severity: CA has given these vulnerabilities a maximum risk rating 
of High.


Affected Products:
CA ARCserve Backup r11.5 (formerly BrightStor ARCserve Backup 
   r11.5)
CA ARCserve Backup r11.1 (formerly BrightStor ARCserve Backup 
   r11.1)
CA ARCserve Backup r11.0 (formerly BrightStor ARCserve Backup 
   r11.0)
CA Server Protection Suite r2
CA Business Protection Suite r2
CA Business Protection Suite for Microsoft Small Business Server 
   Standard Edition r2
CA Business Protection Suite for Microsoft Small Business Server 
   Premium Edition r2

Not Vulnerable:
CA ARCserve Backup r12
CA ARCserve Backup r11.5 SP4


Affected Platforms:
Windows
Linux x86
Linux IA-64
Linux x86_64
Tru64
HP-UX
Solaris
Linux/s390


Status and Recommendation:

CA has issued the following patches and upgrades to address the 
vulnerabilities.

CA ARCserve Backup r11.5 Windows:
QO92996

CA ARCserve Backup r11.1 Windows:
QO92849

CA ARCserve Backup r11.0 Windows:
Upgrade to 11.1 and apply the latest patches.

CA Protection Suites r2:
QO92996

The issues can also be addressed by applying CA ARCserve Backup 
11.5 SP4 for Windows:
QO99129

For CA ARCserve Backup r11.5 and r11.1 on UNIX and Linux based 
platforms, upgrade to 11.5 SP3.

Note: The upgrade for 11.1 requires new license keys, which are 
available for free until December 31, 2008. Visit the following 
link for more information.
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=172649

CA ARCserve Backup r11.5 Linux/x86/IA-64/x86_64:
QO89980

CA ARCserve Backup r11.5 Tru64:
QO89985

CA ARCserve Backup r11.5 HP-UX:
QO89984

CA ARCserve Backup r11.5 Solaris:
QO89982

CA ARCserve Backup r11.5 AIX:
QO89981

CA ARCserve Backup r11.5 Linux/s390:
QO89983

CA ARCserve Backup r11.1 Linux/x86/IA-64/x86_64:
QO89980

CA ARCserve Backup r11.1 Tru64:
QO89985

CA ARCserve Backup r11.1 HP-UX:
QO89984

CA ARCserve Backup r11.1 Solaris:
QO89982

CA ARCserve Backup r11.1 AIX:
QO89981

CA ARCserve Backup r11.1 Linux/s390:
QO89983


How to determine if you are affected:

For Windows:

   1. Using Windows Explorer, locate the file "caloggerd.exe". By 
      default, the file is located in the 
      "C:\Program Files\CA\BrightStor ARCserve Backup" directory.

   2. Right click on the file and select Properties.

   3. Select the General tab.

   4. If the file timestamp is earlier than indicated in the below 
      table, the installation is vulnerable.

Product Version  File Name      Timestamp            File Size
11.5             caloggerd.exe  05/18/2007 10:55:48  299008 bytes
11.1             caloggerd.exe  05/18/2007 11:30:52  286720 bytes

* For Protection Suites r2 , use the file timestamp for CA 
ARCserve Backup r11.5.


For Linux/x86/IA-64/x86_64, Tru64, HP-UX, Solaris, Linux/s390:

Examine the file RELVERSION to determine the version. This can be 
done with the following command from a shell:

cat $BAB_HOME/data/RELVERSION

If the build number is below 2427, the installation is vulnerable.


Workaround: None


References (URLs may wrap):
CA Support:
http://support.ca.com/
Security Notice for CA ARCserve Backup caloggerd and xdr functions
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=176798
Solution Document Reference APARs:
QO92996, QO92849, QO99129, QO89980, QO89985, QO89984, QO89982, 
QO89981, QO89983
CA Security Response Blog posting:
CA ARCserve Backup caloggerd and xdr Functions Vulnerabilities
http://community.ca.com/blogs/casecurityresponseblog/archive/2008/05/19.asp
x
Reported By: 
An anonymous researcher working with the iDefense VCP
Damian Put working with ZDI/TippingPoint
CVE References:
CVE-2008-2241 - caloggerd file appending
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2241
CVE-2008-2242 - xdr function buffer overflow vulnerability
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2242
OSVDB References: Pending
http://osvdb.org/


Changelog for this advisory:
v1.0 - Initial Release


Customers who require additional information should contact CA
Technical Support at http://support.ca.com.

For technical questions or comments related to this advisory, 
please send email to vuln AT ca DOT com.

If you discover a vulnerability in CA products, please report your
findings to vuln AT ca DOT com, or utilize our "Submit a 
Vulnerability" form. 
URL: http://www.ca.com/us/securityadvisor/vulninfo/submit.aspx


Regards,
Ken Williams ; 0xE2941985
Director, CA Vulnerability Research


CA, 1 CA Plaza, Islandia, NY 11749
	
Contact http://www.ca.com/us/contact/
Legal Notice http://www.ca.com/us/legal/
Privacy Policy http://www.ca.com/us/privacy/
Copyright (c) 2008 CA. All rights reserved.

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