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prionPRIOn knowledge basePRION:CVE-2018-10191
HistoryApr 17, 2018 - 9:29 p.m.

Integer overflow

2018-04-1721:29:00
PRIOn knowledge base
www.prio-n.com
4

9.7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%

In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code.

CPENameOperatorVersion
debian_linuxeq9.0
mrubyle1.4.0

9.7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%