RealNetworks RealPlayer IERPCtl ActiveX buffer overflow
| realplayer-activex-bo (37280) |  High Risk |
Description:
The RealNetworks RealPlayer IERPCtl ActiveX control (ierpplug.dll) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking in the Database Component in MPAMedia.dll. By persuading a victim to visit a specially-crafted Web page using Microsoft Internet Explorer, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the victim or cause the application to crash.
*CVSS:
| Base Score: | 9.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.3 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
For RealPlayer 10.5 and 11 beta:
Apply the patch for this vulnerability (securitydb.rnx), available from the RealNetworks Web site. See References.
For RealOne Player, RealOne Player v2 and RealPlayer 10:
Upgrade to the latest version of RealPlayer (10.5 or 11 beta) and install the patch for this vulnerability (securitydb.rnx), available from the RealNetworks Web site. See References.
--OR--
As a workaround, set the kill bit on the Class Identifier (CLSID) FDC7A535-4070-4B92-A0EA-D9994BCC0DC5. Refer to Microsoft Knowledge Base Article 240797 for information. See References.
CAUTION: Use Registry Editor at your own risk. Any change using Registry Editor may cause severe and irreparable damage and may require you to reinstall your operating system. Internet Security Systems cannot guarantee that problems caused by the use of Registry Editor can be solved.
References:
- Computerworld Security News, October 19, 2007: Attacks exploiting RealPlayer zero-day in progress.
- Full-Disclosure Mailing List, Mon Nov 26 2007 - 14:15:25 CST: UPDATED: RealNetworks RealPlayer ierpplug.dll ActiveX Control Multiple Stack Overflows.
- IBM Internet Security Systems Protection Alert, Oct. 19, 2007: RealNetworks RealPlayer unspecified ActiveX buffer overflow.
- Microsoft Knowledge Base Article 240797: How to stop an ActiveX control from running in Internet Explorer.
- RealNetworks Customer Support Web page: RealPlayer Security Vulnerability.
- RealNetworks Web site: Rhapsody & RealPlayer - the best audio and video players.
- BID-26130: RealPlayer ierpplug.dll ActiveX Control Import Playlist Name Stack Buffer Overflow Vulnerability
- BID-26586: RealMedia RealPlayer Ierpplug.DLL PlayerProperty ActiveX Control Buffer Overflow Vulnerability
- CVE-2007-5601: Stack-based buffer overflow in the Database Component in MPAMedia.dll in RealNetworks RealPlayer 10.5 and 11 beta, and earlier versions including 10, RealOne Player, and RealOne Player 2, allows remote attackers to execute arbitrary code via certain playlist names, as demonstrated via the import method to the IERPCtl ActiveX control in ierpplug.dll.
- SA27248: RealPlayer Playlist Handling Buffer Overflow Vulnerability
- SECTRACK ID: 1018843: RealPlayer Input Validation Flaw in `ierpplug.dll` Lets Remote Users Execute Arbitrary Code
- US-CERT VU#871673: RealPlayer playlist name stack buffer overflow
- VUPEN/ADV-2007-3548: RealPlayer IERPCtl ActiveX Playlist Handling Buffer Overflow Vulnerability
Platforms Affected:
- Real RealPlayer 10.0
- Real RealPlayer 10.5
- Real RealPlayer 11 Beta
Reported:
Oct 18, 2007
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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.