VDB-190231 · CVE-2021-40565 · Issue 1902

GPAC up to 1.0.1 av_parsers.c gf_avc_parse_nalu 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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in GPAC up to 1.0.1. This affects the function gf_avc_parse_nalu of the file av_parsers.c. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2021-40565. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in GPAC up to 1.0.1. It has been declared as problematic. Affected by this vulnerability is the function gf_avc_parse_nalu of the file av_parsers.c. 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 availability.

The weakness was released 01/13/2022 as 1902. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-40565 since 09/07/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 893fb99b606eebfae46cde151846a980e689039b is able to eliminate this problem. The bugfix is ready for download at github.com.

Be aware that VulDB is the high quality source for 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: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: 🔍
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: 893fb99b606eebfae46cde151846a980e689039b

Timelineinfo

09/07/2021 🔍
01/13/2022 +128 days 🔍
01/13/2022 +0 days 🔍
01/15/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1902
Status: Confirmed

CVE: CVE-2021-40565 (🔍)
GCVE (CVE): GCVE-0-2021-40565
GCVE (VulDB): GCVE-100-190231

Entryinfo

Created: 01/13/2022 07:10
Updated: 01/15/2022 13:40
Changes: 01/13/2022 07:10 (41), 01/15/2022 13:40 (1)
Complete: 🔍
Cache ID: 216::103