VDB-190425 · CVE-2021-40576 · Issue 1904

GPAC 1.0.1 MP4Box hint_track.c gf_isom_get_payt_count null pointer dereference

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in GPAC 1.0.1. This issue affects the function gf_isom_get_payt_count of the file hint_track.c of the component MP4Box. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2021-40576. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GPAC 1.0.1. This affects the function gf_isom_get_payt_count of the file hint_track.c of the component MP4Box. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The weakness was published 01/14/2022 as 1904. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-40576 since 09/07/2021. Technical details are known, but no exploit is available.

Applying the patch ad18ece95fa064efc0995c4ab2c985f77fb166ec is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Type

Multimedia Player Software

Name

GPAC

Version

1.0.1

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: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Null pointer dereference
CWE: CWE-476 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ad18ece95fa064efc0995c4ab2c985f77fb166ec

Timelineinfo

09/07/2021 🔍
01/14/2022 +129 days 🔍
01/14/2022 +0 days 🔍
01/17/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1904
Status: Confirmed

CVE: CVE-2021-40576 (🔍)
GCVE (CVE): GCVE-0-2021-40576
GCVE (VulDB): GCVE-100-190425

Entryinfo

Created: 01/14/2022 13:55
Updated: 01/17/2022 15:19
Changes: 01/14/2022 13:55 (42), 01/17/2022 15:12 (1), 01/17/2022 15:19 (18)
Complete: 🔍
Cache ID: 216::103