VDB-197422 · CVE-2021-40400 · TALOS-2021-1413

Gerbv 2.7.0 RS-274X Aperture Macro memory corruption

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Gerbv 2.7.0. Impacted is an unknown function of the component RS-274X Aperture Macro Handler. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2021-40400. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Gerbv 2.7.0. It has been declared as critical. This vulnerability affects an unknown functionality of the component RS-274X Aperture Macro Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality.

The weakness was disclosed 04/15/2022 as TALOS-2021-1413. The advisory is available at talosintelligence.com. This vulnerability was named CVE-2021-40400 since 09/01/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/15/2022).

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

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Productinfo

Name

Gerbv

Version

2.7.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.3
CNA Vector (Talos): 🔍

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: Memory corruption
CWE: 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

09/01/2021 🔍
04/15/2022 +226 days 🔍
04/15/2022 +0 days 🔍
04/20/2022 +5 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1413
Status: Not defined

CVE: CVE-2021-40400 (🔍)
GCVE (CVE): GCVE-0-2021-40400
GCVE (VulDB): GCVE-100-197422

Entryinfo

Created: 04/15/2022 09:24
Updated: 04/20/2022 14:34
Changes: 04/15/2022 09:24 (48), 04/20/2022 14:34 (1)
Complete: 🔍
Cache ID: 216::103