bestzip up to 2.1.6 options command 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 (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in bestzip up to 2.1.6. This affects an unknown part. Executing a manipulation of the argument options as part of Parameter can lead to command injection. This vulnerability is handled as CVE-2020-7730. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in bestzip up to 2.1.6. It has been declared as critical. This vulnerability affects an unknown functionality. The manipulation of the argument options as part of a Parameter leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.

The weakness was released 09/04/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-7730 since 01/21/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 2.1.7 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bestzip 2.1.7

Timelineinfo

01/21/2020 🔍
09/04/2020 +227 days 🔍
09/04/2020 +0 days 🔍
11/12/2020 +69 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-7730 (🔍)
GCVE (CVE): GCVE-0-2020-7730
GCVE (VulDB): GCVE-100-160756

Entryinfo

Created: 09/04/2020 21:10
Updated: 11/12/2020 20:06
Changes: 09/04/2020 21:10 (39), 09/04/2020 21:15 (11), 11/12/2020 20:06 (1)
Complete: 🔍
Cache ID: 216::103

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