CVE Vulnerability

CVE-2020-6840

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

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mruby/mruby/issues/4927 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:mruby:mruby:2.1.0:*:*:*:*:*:*:*
Information

Published : 2020-01-11 03:15

Updated : 2020-01-13 07:59

NVD link : CVE-2020-6840

Mitre link : CVE-2020-6840

Products Affected
No products.
CWE
CWE-416