CVE-2020-36401

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503	Patch Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml	Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:mruby:mruby:2.1.2:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Information

Published : 2021-06-30 20:15

Updated : 2021-07-06 14:11

NVD link : CVE-2020-36401

Mitre link : CVE-2020-36401

JSON object : View

CWE

CWE-415

Double Free

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Products Affected

linux

linux_kernel

mruby

mruby

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