Double Free Vulnerability in mruby 2.1.2 by mruby
CVE-2020-36401

7.8HIGH

Key Information:

Vendor

Mruby

Status
Mruby
Vendor
CVE Published:
1 July 2021

What is CVE-2020-36401?

The mruby 2.1.2 version contains a vulnerability where a double free error occurs in the mrb_default_allocf function, which is invoked by mrb_free and obj_free. This issue can lead to potential memory corruption, enabling attackers to exploit the system behavior and potentially execute arbitrary code. Proper allocation and deallocation practices should be enforced to mitigate this risk and ensure stable software performance.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

References

https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b...
x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801
x_refsource_MISC
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.