PoC Index

CVE-2016-2339

CRITICAL 9.8EPSS 5.2%

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

CVSS v3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
5.19% chance of exploitation in the next 30 days, 92th percentile
Published
2017-01-06
Updated
2024-08-05

Proof-of-concept exploits (1)

References

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