Out-of-bounds Read Affecting mruby/mruby package, versions [,3.2.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-UNMANAGED-MRUBYMRUBY-5498627
  • published8 May 2023
  • disclosed8 May 2023
  • creditwwkenwong

Introduced: 8 May 2023

CVE-2022-1276  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade mruby/mruby to version 3.2.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in mrb_get_args.

PoC

0..% = [0,0,0,0,0,0,0,0,0,0,0,0,0,**{}] = 0

References

CVSS Scores

version 3.1