CVE-2020-6839

In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : 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

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/mruby/mruby/issues/4929	Exploit Third Party Advisory
https://github.com/mruby/mruby/issues/4929	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:36

Type	Values Removed	Values Added
References	~~() https://github.com/mruby/mruby/issues/4929 - Exploit, Third Party Advisory~~	() https://github.com/mruby/mruby/issues/4929 - Exploit, Third Party Advisory

Information

Published : 2020-01-11 03:15

Updated : 2024-11-21 05:36

NVD link : CVE-2020-6839

Mitre link : CVE-2020-6839

CVE.ORG link : CVE-2020-6839

JSON object : View

Products Affected

mruby

mruby

CWE

CWE-787

Out-of-bounds Write

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9.8 /10