Heap-based buffer overflow in RealNetworks RealPlayer 8, 10, 10.1, and possibly 10.5; RealOne Player 1 and 2; and RealPlayer Enterprise allows remote attackers to execute arbitrary code via a RAM (.ra or .ram) file with a large size value in the RA header.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (11/01/2007)
This issue was fixed in RealPlayer for Red Hat Enterprise Linux 3 Extras, 4 Extras, 5 Supplementary by RHSA-2007:0841 on 17th August 2007:
(Our original advisory did not mention this issue was fixed as the details of the issue were not made public by RealNetworks until 25th October 2007)
References to Advisories, Solutions, and Tools
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20071030 RealPlayer Updates of October 25, 2007
20071031 ZDI-07-063: RealPlayer RA Field Size File Processing Heap Oveflow Vulnerability
References to Check Content