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CVE-2010-4390

Status Candidate

Overview

Multiple heap-based buffer overflows in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and Linux RealPlayer 11.0.2.1744 allow remote attackers to have an unspecified impact via a crafted header in an IVR file.

Related Files

RealNetworks RealPlayer MDPR Chunk Size Remote Code Execution
Posted Dec 10, 2010
Authored by Aaron Portnoy, Logan Brown | Site tippingpoint.com

A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks RealPlayer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within RealPlayer's handling of Internet Video Recording (.ivr) files. While parsing the MLTI chunk the process trusts the field responsible for denoting the size of an embedded MDPR chunk. By modifying this value in an IVR file an attacker can force a misallocation on the heap. The process can then be made to write past the bounds of the buffer, corrupting memory. This can be leveraged to execute arbitrary code under the context of the user invoking RealPlayer.

tags | advisory, remote, arbitrary
advisories | CVE-2010-4390
SHA-256 | ef22d184b5a4a171517add373ae6dc8fd3d072df971cf7a90421dcccf5664ddc
RealNetworks RealPlayer MLTI Stream Number Remote Code Execution
Posted Dec 10, 2010
Authored by Aaron Portnoy, Logan Brown | Site tippingpoint.com

A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks RealPlayer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within RealPlayer's handling of Internet Video Recording (.ivr) files. While parsing the MLTI chunk the process trusts the field responsible for denoting the number of streams within the chunk. By modifying this value in an IVR file, an attacker can force a processing loop to overrun and corrupt heap memory. This can be abused to execute arbitrary code under the context of the user invoking RealPlayer.

tags | advisory, remote, overflow, arbitrary
advisories | CVE-2010-4390
SHA-256 | 6ed8ef7f4d23f0fee569702d8aba5ef2ba635dcf17e9a56a9b184e9acc1c3004
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