VDB-180988 · CVE-2021-21861 · TALOS-2021-1298

GPAC Advanced Content 1.0.1 MPEG-4 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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in GPAC Advanced Content 1.0.1. Impacted is an unknown function of the component MPEG-4 Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2021-21861. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in GPAC Advanced Content 1.0.1. It has been declared as critical. This vulnerability affects an unknown part of the component MPEG-4 Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 08/17/2021 as TALOS-2021-1298. The advisory is shared for download at talosintelligence.com. This vulnerability was named CVE-2021-21861. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Multimedia Player Software

Vendor

GPAC

Name

Advanced Content

Version

1.0.1

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
08/17/2021 +224 days 🔍
08/17/2021 +0 days 🔍
08/19/2021 +2 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1298
Status: Not defined

CVE: CVE-2021-21861 (🔍)
GCVE (CVE): GCVE-0-2021-21861
GCVE (VulDB): GCVE-100-180988

Entryinfo

Created: 08/17/2021 09:18
Updated: 08/19/2021 13:28
Changes: 08/17/2021 09:18 (37), 08/19/2021 13:28 (2)
Complete: 🔍
Cache ID: 216::103