The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.
References
Link Resource
https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d Patch Third Party Advisory
https://github.com/mruby/mruby/issues/4027 Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2018-06-05T13:00:00

Updated: 2022-05-06T10:06:27

Reserved: 2018-06-05T00:00:00


Link: CVE-2018-11743

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2018-06-05T13:29:00.360

Modified: 2022-05-12T20:11:55.160


Link: CVE-2018-11743

JSON object: View

cve-icon Redhat Information

No data.

CWE