VDB-12187 · ID 102795 · OSVDB 102795

VideoLAN VLC Media Player File libavcodec_plugin.dll null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in VideoLAN VLC Media Player. It has been rated as critical. Affected is an unknown function in the library libavcodec_plugin.dll of the component File Handler. This manipulation causes null pointer dereference. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical was found in VideoLAN VLC Media Player (Multimedia Player Software) (version unknown). Affected by this vulnerability is an unknown function in the library libavcodec_plugin.dll of the component File Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/09/2012. The weakness was disclosed 03/09/2012 by Dan Fosco as 102795 as not defined posting (OSVDB). It is possible to read the advisory at osvdb.org. The vendor was not involved in the public release. The attack needs to approached within the local network. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The advisory points out:

the flaw is a NULL pointer dereference error in libavcodec_plugin.dll when e.g. handling a zero-size file type box ('ftyp'). With a specially crafted 3G2, 3GP, M4V, or MXF file

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at OSVDB (102795†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.6
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2012 🔍
03/09/2012 +0 days 🔍
02/06/2014 +699 days 🔍
03/29/2019 +1877 days 🔍

Sourcesinfo

Vendor: videolan.org

Advisory: 102795⛔
Researcher: Dan Fosco
Status: Not defined

GCVE (VulDB): GCVE-100-12187
OSVDB: 102795

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/06/2014 15:27
Updated: 03/29/2019 15:51
Changes: 02/06/2014 15:27 (46), 03/29/2019 15:51 (2)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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