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CVE-2020-6840

Good to know:

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Date: January 13, 2020

In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.

Language: C

Severity Score

Related Resources (4)

https://github.com/mruby/mruby/issues/4927
https://nvd.nist.gov/vuln/detail/CVE-2020-6840
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-6840
https://www.mend.io/vulnerability-database/CVE-2020-6840

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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