VideoLAN VLC Media Player up to 0.9.7 Real Demuxer real.c numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.11

Summaryinfo

A vulnerability was found in VideoLAN VLC Media Player up to 0.9.7. It has been rated as critical. Affected is an unknown function of the file real.c of the component Real Demuxer. This manipulation causes numeric error. This vulnerability is handled as CVE-2008-5276. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in VideoLAN VLC Media Player up to 0.9.7 (Multimedia Player Software). Affected by this vulnerability is an unknown function of the file real.c of the component Real Demuxer. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the ReadRealIndex function in real.c in the Real demuxer plugin in VideoLAN VLC media player 0.9.0 through 0.9.7 allows remote attackers to execute arbitrary code via a malformed RealMedia (.rm) file that triggers a heap-based buffer overflow.

The weakness was released 12/01/2008 by Tobias Klein (Website). It is possible to read the advisory at trapkit.de. This vulnerability is known as CVE-2008-5276 since 11/28/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35056 (FreeBSD : vlc -- arbitrary code execution in the RealMedia processor (acf80afa-c3ef-11dd-a721-0030843d3802)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116067 (VLC Media Player Real demuxer Heap Buffer Overflow Vulnerability (VideoLAN-SA-0811)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 days after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 15241. In this case the pattern INDX is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8874.

The vulnerability is also documented in the databases at X-Force (46930), Tenable (35056), SecurityFocus (BID 32545†), OSVDB (50333†) and Secunia (SA32942†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 35056
Nessus Name: FreeBSD : vlc -- arbitrary code execution in the RealMedia processor (acf80afa-c3ef-11dd-a721-0030843d3802)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 62856
OpenVAS Name: FreeBSD Ports: vlc-devel
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: videolan.org

Snort ID: 15241
Snort Message: MULTIMEDIA VideoLAN VLC real.c ReadRealIndex real demuxer integer overflow attempt
Snort Pattern: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/28/2008 🔍
11/30/2008 +2 days 🔍
11/30/2008 +0 days 🔍
12/01/2008 +1 days 🔍
12/01/2008 +0 days 🔍
12/01/2008 +0 days 🔍
12/03/2008 +1 days 🔍
12/06/2008 +3 days 🔍
12/07/2008 +1 days 🔍
12/08/2008 +1 days 🔍
12/19/2008 +11 days 🔍
05/25/2025 +6001 days 🔍

Sourcesinfo

Vendor: videolan.org

Advisory: trapkit.de
Researcher: Tobias Klein
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5276 (🔍)
GCVE (CVE): GCVE-0-2008-5276
GCVE (VulDB): GCVE-100-3871

OVAL: 🔍

X-Force: 46930
SecurityFocus: 32545 - VLC Media Player Real demuxer Heap Buffer Overflow Vulnerability
Secunia: 32942 - VLC Media Player Real Demuxer Integer Overflow Vulnerability, Highly Critical
OSVDB: 50333 - VLC Media Player modules/demux/real.c ReadRealIndex() Function Remote Overflow
Vulnerability Center: 20151 - VideoLAN VLC Media Player 0.9.0-0.9.7 Real Demuxer Plugin Integer Overflow Remote Code Execution, Medium
Vupen: ADV-2008-3287

Entryinfo

Created: 12/19/2008 10:42
Updated: 05/25/2025 05:00
Changes: 12/19/2008 10:42 (91), 05/06/2019 07:06 (11), 03/17/2021 06:27 (2), 05/25/2025 05:00 (19)
Complete: 🔍
Cache ID: 216:550:103

Be aware that VulDB is the high quality source for vulnerability data.

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