RealNetworks player "Lyrics3" buffer overflow

Overview

Multiple RealNetworks media players contain a buffer overflow which could allow a remote attacker to execute arbitrary code on an affected system.

Description

The RealNetworks RealPlayer and Helix Player applications allow users to view local and remote audio and video content. These players include support for a number of different media formats, including the MP3 audio-encoding format. A heap-based buffer overflow exists in the way that these players handle the Lyrics3 v2.00 tags in MP3 files. A remote, unauthenticated attacker with the ability to supply a specially crafted MP3 file could exploit this vulnerability to execute arbitrary code on an affected system.

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Impact

A remote, unauthenticated attacker could execute arbitrary code with the privileges of the user running a vulnerable application.

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Solution

Apply an update

RealNetworks has published a Security Update to address this issue. Please see the Systems Affected section for fix availability from specific vendors.

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Vendor Information

759385

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RealNetworks, Inc. __ Affected

Notified: October 31, 2007 Updated: November 16, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

RealNetworks has issued a Security Update to correct this vulnerability. Users are encouraged to review this Security Update and apply the relevant patches.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23759385 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://secunia.com/advisories/27361/&gt;
• <http://service.real.com/realplayer/security/10252007_player/en/&gt;
• <http://www.ngssoftware.com/advisories/high-risk-vulnerability-in-real-player-id3-tags/&gt;

Acknowledgements

This vulnerability was reported by John Heasman of NGSSoftware. NGSSoftware credits an anonymous researcher with reporting this vulnerability to them.

This document was written by Joseph W. Pruszynski.

Other Information

CVE IDs:	CVE-2007-5080
Severity Metric:	22.28 Date Public: