2020-23333 | Bento4 Ap4Utils.h AP4_CttsAtom 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.
3.5	$0-$5k	0.37

A vulnerability was found in Bento4 06c39d9 (Multimedia Player Software) and classified as problematic. This issue affects the function AP4_CttsAtom::AP4_CttsAtom of the file /Core/Ap4Utils.h. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-122. Impacted is availability. The summary by CVE is:

A heap-based buffer overflow exists in the AP4_CttsAtom::AP4_CttsAtom component located in /Core/Ap4Utils.h of Bento4 version 06c39d9. This can lead to a denial of service (DOS).

The weakness was shared 08/18/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-23333 since 08/13/2020. The exploitation is known to be easy. The attack can only be done within the local network. The successful exploitation needs a simple authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2021).

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

Type

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

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

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption
CWE: CWE-122
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

08/13/2020 CVE assigned
08/18/2021 +370 days Advisory disclosed
08/18/2021 +0 days VulDB entry created
08/19/2021 +1 days VulDB last updateAdvisory: github.com
Status: Confirmed

CVE: CVE-2020-23333 (🔒)

Created: 08/18/2021 10:19
Updated: 08/19/2021 21:39
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

Comments

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