CVEvulnerability
CVE-2018-10191
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2018-04-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-190
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.
Affected configurations
• mruby mruby (<= 1.4.0)
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 Patch, Third Party Advisory
- https://github.com/mruby/mruby/issues/3995 Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory
- https://github.com/mruby/mruby/commit/1905091634a6a2925c911484434448e568330626 Patch, Third Party Advisory
- https://github.com/mruby/mruby/issues/3995 Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory