Heap-Based Buffer Overflow in mruby Affects Multiple Versions
CVE-2020-15866

9.8CRITICAL

Key Information:

Vendor

Mruby

Status
Mruby
Vendor
CVE Published:
21 July 2020

What is CVE-2020-15866?

The mruby programming language versions up to 2.1.2-rc contain a vulnerability leading to a heap-based buffer overflow. This issue arises in the mrb_yield_with_class function due to inadequate handling of the VM stack, which can be exploited through the stack_copy function. Users of affected versions are encouraged to apply security updates to mitigate potential risks associated with this vulnerability.

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References

https://github.com/mruby/mruby/issues/5042
x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2022/05/msg0...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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