PT-2018-11074 · Mruby · Mruby

Flamezzz · Published 2018-06-12 · Updated 2018-08-01 · CVE-2018-12247

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions mruby version 1.4.1

Description An issue was discovered related to a NULL pointer dereference in mrb class. This issue is connected to certain usage of .clone, as mrb obj clone in kernel.c copies flags other than the MRB FLAG IS FROZEN flag, such as the embedded flag.

Recommendations For mruby version 1.4.1, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-12247

Affected Products

Mruby

References · 7

• https://github.com/mruby/mruby/commit/55edae0226409de25e59922807cb09acb45731a2 · Patch
• https://cve.org/CVERecord?id=CVE-2018-12247 · Security Note
• https://ubuntu.com/security/CVE-2018-12247 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-12247 · Security Note
• https://osv.dev/vulnerability/CVE-2018-12247 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-12247 · Vendor Advisory
• https://github.com/mruby/mruby/issues/4036 · Note