Vulnerability in Mruby
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 unspecifi…
EPSS: 0.022 (80.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mruby — versions 1.4.1
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11743?
- CVE-2018-11743 is a critical-severity vulnerability in Mruby, classified under Access of Uninitialized Pointer. CVSS score: 9.8/10. Published 2018-06-05.
- How severe is CVE-2018-11743?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-11743 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.