VDB-141083 · CVE-2019-14778 · USN-4131-1

VideoLAN VLC Media Player 3.0.7.1 virtual_segment.cpp seek use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in VideoLAN VLC Media Player 3.0.7.1. It has been classified as critical. This affects the function mkv::virtual_segment_c::seek of the file demux/mkv/virtual_segment.cpp. The manipulation leads to use after free. This vulnerability is listed as CVE-2019-14778. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in VideoLAN VLC Media Player 3.0.7.1 (Multimedia Player Software). It has been rated as critical. This issue affects the function mkv::virtual_segment_c::seek of the file demux/mkv/virtual_segment.cpp. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The mkv::virtual_segment_c::seek method of demux/mkv/virtual_segment.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.

The weakness was presented 08/29/2019 as not defined mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2019-14778 since 08/08/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

See VDB-141075, VDB-141076, VDB-141077 and VDB-141078 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Multimedia Player Software

Vendor

VideoLAN

Name

VLC Media Player

Version

3.0.7.1

License

open-source

Website

Vendor: https://www.videolan.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.videolan.org

Timelineinfo

08/08/2019 🔍
08/29/2019 +21 days 🔍
08/30/2019 +1 days 🔍
12/11/2023 +1564 days 🔍

Sourcesinfo

Vendor: videolan.org

Advisory: USN-4131-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-14778 (🔍)
GCVE (CVE): GCVE-0-2019-14778
GCVE (VulDB): GCVE-100-141083
See also: 🔍

Entryinfo

Created: 08/30/2019 07:06
Updated: 12/11/2023 07:02
Changes: 08/30/2019 07:06 (43), 08/09/2020 18:16 (18), 12/11/2023 07:02 (4)
Complete: 🔍
Cache ID: 216::103

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