VDB-191988 · CVE-2021-23558 · GCVE-0-2021-23558

bmoor up to 0.10.0 Incomplete Fix CVE-2020-7736 code injection

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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in bmoor up to 0.10.0. It has been declared as critical. Impacted is an unknown function of the component Incomplete Fix CVE-2020-7736. The manipulation results in code injection. This vulnerability was named CVE-2021-23558. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in bmoor up to 0.10.0. Affected is some unknown processing of the component Incomplete Fix CVE-2020-7736. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/29/2022. The advisory is shared for download at snyk.io. This vulnerability is traded as CVE-2021-23558 since 01/08/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 0.10.1 eliminates this vulnerability. Applying the patch 29b0162cc1dc1791fc060891f568b0ae29bc542b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

bmoor

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.3
CNA Vector (Snyk): 🔍

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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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bmoor 0.10.1
Patch: 29b0162cc1dc1791fc060891f568b0ae29bc542b

Timelineinfo

01/08/2021 🔍
01/29/2022 +386 days 🔍
01/29/2022 +0 days 🔍
02/02/2022 +4 days 🔍

Sourcesinfo

Advisory: 29b0162cc1dc1791fc060891f568b0ae29bc542b
Status: Confirmed

CVE: CVE-2021-23558 (🔍)
GCVE (CVE): GCVE-0-2021-23558
GCVE (VulDB): GCVE-100-191988

Entryinfo

Created: 01/29/2022 09:12
Updated: 02/02/2022 15:07
Changes: 01/29/2022 09:12 (50), 02/02/2022 15:07 (2)
Complete: 🔍
Cache ID: 216::103