Computer Associates (CA) Brightstor ARCserve Backup mediasvr.exe buffer overflow
| brightstor-mediasvr-bo (33316) |
Description:
CA Brightstor ARCserve Backup is vulnerable to a buffer overflow, caused by improper bounds checking by the RPC service in the mediasvr.exe application. By sending a RPC packet containing specially-crafted xdr_handle_t data, a remote attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the application to crash.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 8.3 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Refer to the CA SupportConnect Web site for patch, upgrade, or suggested workaround information. See References.
References:
- BugTraq Mailing List, Fri Mar 30 2007 - 19:59:12 CDT : CA BrightStor ARCserve Backup Mediasvr.exe vulnerability.
- CA Brightstor ARCserve Backup Web site: BrightStor ARCserve Backup, Storage Management.
- CA SupportConnect: BrightStor ARCserve Backup Media Server Security Notice.
- Full-Disclosure Mailing List, Thu Mar 29 2007 - 20:30:00 CDT: CA Brightstor Backup Mediasvr.exe Remote Code Vulnerability.
- BID-23209: Computer Associates BrightStor ARCserve Backup MediaSVR.EXE 191 Buffer Overflow Vulnerability
- CVE-2007-1785: The RPC service in mediasvr.exe in CA BrightStor ARCserve Backup 11.5 SP2 build 4237 allows remote attackers to execute arbitrary code via crafted xdr_handle_t data in RPC packets, which is used in calculating an address for a function call, as demonstrated using the 191 (0xbf) RPC request.
- SA24682: CA BrightStor ARCserve Backup MEDIASVR.EXE RPC Request Code Execution
- SECTRACK ID: 1017830: CA BrightStor Backup Buffer Overflow in Mediasvr.exe Lets Remote Users Execute Arbitrary Code
- US-CERT VU#151305: CA Brightstor ARCserve Backup fails to properly process RPC requests
- VUPEN/ADV-2007-1161: CA BrightStor ARCserve Backup RPC Request Remote Code Execution Vulnerability
Platforms Affected:
- CA BrightStor ARCserve Backup 11.1
- CA BrightStor ARCserve Backup 11.5
- CA BrightStor ARCserve Backup for Windows 11
- CA BrightStor ARCserve Backup for Windows 9.01
- CA BrightStor Enterprise Backup 10.5
- CA Business Protection Suite 2.0
- CA Business Protection Suite for Microsoft Small Business Server 2 Premium
- CA Business Protection Suite for Microsoft Small Business Server 2 Standard
- CA Server Protection Suite 2
Reported:
Mar 30, 2007
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
