Vulnerability Details CVE-2018-11743
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d
- https://github.com/mruby/mruby/issues/4027
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html
- https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d
- https://github.com/mruby/mruby/issues/4027
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html
Products affected by CVE-2018-11743
-
cpe:2.3:a:mruby:mruby:1.4.1
-
cpe:2.3:o:debian:debian_linux:9.0