VDB-152177 · CVE-2019-20631 · Issue 1270

GPAC up to 0.7.x libgpac.a gf_list_count MP4 File release of reference

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in GPAC up to 0.7.x. This vulnerability affects the function gf_list_count of the file libgpac.a. The manipulation as part of MP4 File leads to release of reference. This vulnerability is uniquely identified as CVE-2019-20631. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in GPAC up to 0.7.x and classified as problematic. This issue affects the function gf_list_count of the file libgpac.a. The manipulation as part of a MP4 File leads to a release of reference vulnerability. Using CWE to declare the problem leads to CWE-763. The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. Impacted is availability. The summary by CVE is:

An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains an invalid pointer dereference in gf_list_count in utils/list.c that can cause a denial of service via a crafted MP4 file.

The weakness was disclosed 03/24/2020. The identification of this vulnerability is CVE-2019-20631 since 03/24/2020. 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 are known, but no exploit is available.

Upgrading to version 0.8.0 eliminates this vulnerability.

The entries VDB-152178, VDB-152176, VDB-152175 and VDB-152174 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

GPAC

Version

License

open-source

Website

Product: https://github.com/gpac/gpac/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Release of reference
CWE: CWE-763 / CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GPAC 0.8.0

Timelineinfo

03/24/2020 🔍
03/24/2020 +0 days 🔍
03/25/2020 +1 days 🔍
05/11/2025 +1873 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1270
Status: Confirmed

CVE: CVE-2019-20631 (🔍)
GCVE (CVE): GCVE-0-2019-20631
GCVE (VulDB): GCVE-100-152177
See also: 🔍

Entryinfo

Created: 03/25/2020 10:34
Updated: 05/11/2025 02:30
Changes: 03/25/2020 10:34 (39), 03/25/2020 10:39 (17), 05/11/2024 08:44 (19), 05/11/2025 02:30 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.