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CSIRTUK ADVISORY - 3429 - CA - BrightStor ARCserve Backup Security Advisory
CSIRTUK ADVISORY - 3429 dated 13.10.07 time 19:11
Centre for the Protection of National Infrastructure (CPNI)
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CA BrightStor ARCserve Backup Security Advisory
Date: 13 October 2007 19:11
Title: 3429 - CA BrightStor ARCserve Backup Security Advisory
Abstract: Description of a number of vulnerabilties in CA's BrightStor
ARCserve Backup product
Applications affected:BrightStor ARCserve Backup Server
Advisory type: Information
Adversity source: Unknown
Attack Vector: Vulnerability exploitation
Potential Damage: Remote unauthorised modification
Possible Duration: Open Ended
Availability of fix: Available
Type of fix: Patch
Reliability of source: Known
BrightStor ARCserve Backup
Last Updated: October 11, 2007
CA's technical support is alerting customers to security risks
associated with BrightStor ARCserve Backup. Multiple vulnerabilities
exist that can allow a remote attacker to cause a denial of service,
execute arbitrary code, or take privileged action. CA has issued patches
to address the vulnerabilities.
The first set of vulnerabilities, CVE-2007-5325, CVE-2007-5326, and
CVE-2007-5327, occur due to insufficient bounds checking by multiple
The second vulnerability, CVE-2007-5328, occurs due to privileged
functions being available for use without proper authorization.
The third set of vulnerabilities, CVE-2007-5329, CVE-2007-5330,
CVE-2007-5331, and CVE-2007-5332, are due to a memory corruption
occurring with the processing of RPC procedure arguments by multiple
services. The vulnerabilities allow an attacker to cause a denial of
service, or potentially to execute arbitrary code.
BrightStor ARCserve Backup r11.5
BrightStor ARCserve Backup r11.1
BrightStor ARCserve Backup r11 for Windows
BrightStor Enterprise Backup r10.5
BrightStor ARCserve Backup v9.01
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
How to determine if the installation is affected
Using Windows Explorer, locate the file "mediasvr.exe". By default, the
file is located in the "C:\Program Files\CA\BrightStor ARCserve Backup"
Right click on the file and select Properties.
Select the General tab.
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 mediasvr.exe 06/28/2007 15:16:20 110592 bytes
11.1 mediasvr.exe 07/02/2007 10:39:50 106496 bytes
9.01 mediasvr.exe 07/02/2007 13:57:50 98304 bytes
* For Protection Suites r2 , follow instructions for BrightStor ARCserve
CA has issued the following patches to address the vulnerabilities.
BrightStor ARCserve Backup r11.5 - QO91094
BrightStor ARCserve Backup r11.1, - QO91097
BrightStor ARCserve Backup r11.0 - Upgrade to 11.1 and apply the latest
BrightStor Enterprise Backup r10.5 - Upgrade to 11.5 and apply the
BrightStor ARCserve Backup v9.01 - QO91098
CA Protection Suites r2: QO91094
CVE-2007-5325 - Message Engine and AScore.dll buffer overflows
CVE-2007-5326 - RPC and rpcx.dll buffer overflows
CVE-2007-5327 - Message Engine buffer overflows
CVE-2007-5328 - Privileged function exposure
CVE-2007-5329 - dbasvr memory corruption
CVE-2007-5330 - RPC service memory corruption
CVE-2007-5331 - lqserver and media server memory corruption
CVE-2007-5332 - mediasvr and caloggerd memory corruption
CVE-2007-5325 - An anonymous researcher working with the iDefense VCP
CVE-2007-5326 - Dyon Balding of Secunia Research
CVE-2007-5327 - cocoruder of Fortinet Security Research Team
CVE-2007-5328 - Tenable Network Security
CVE-2007-5329 - Pedram Amini of DV Labs (dvlabs.tippingpoint.com)
CVE-2007-5330 - Dyon Balding of Secunia Research
CVE-2007-5331 - eEye Digital Security
CVE-2007-5332 - shirkdog
If additional information is required, please contact CA Technical
Support at http://supportconnect.ca.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 at http://www.ca.com/us/securityadvisor/vulninfo/submit.aspx.
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contained in this advisory.
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<End of CPNI Advisory>
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