CVE-2018-10191

Description

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.

Weakness classification

• CWE-190: Integer Overflow or Wraparound

Primary references

• cve@mitre.org — Patch, Third Party Advisory
• cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
• cve@mitre.org — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory