VDB-171444 · CVE-2020-26797 · GCVE-0-2020-26797

MediaArea MediaInfo up to 20.07 ChooseParser_ChannelGrouping heap-based overflow

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in MediaArea MediaInfo up to 20.07. This impacts the function MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping. The manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2020-26797. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in MediaArea MediaInfo up to 20.07. Affected is the function MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 03/19/2021. The advisory is shared for download at sourceforge.net. This vulnerability is traded as CVE-2020-26797. There are known technical details, but no exploit is available.

Upgrading to version 20.08 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

MediaArea

Name

MediaInfo

Version

20.07

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaInfo 20.08

Timelineinfo

10/07/2020 🔍
03/19/2021 +163 days 🔍
03/19/2021 +0 days 🔍
04/02/2021 +14 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Confirmed

CVE: CVE-2020-26797 (🔍)
GCVE (CVE): GCVE-0-2020-26797
GCVE (VulDB): GCVE-100-171444

Entryinfo

Created: 03/19/2021 09:15
Updated: 04/02/2021 21:29
Changes: 03/19/2021 09:15 (38), 04/02/2021 21:22 (5), 04/02/2021 21:29 (18)
Complete: 🔍
Cache ID: 216::103