CVE-2018-14337 — HIGH (7.5)

Vulnerability Description

The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mruby	Mruby	1.4.1
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-190

References

https://github.com/mruby/mruby/issues/4062ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlMailing ListThird Party Advisory
https://github.com/mruby/mruby/issues/4062ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2018-14337?

CVE-2018-14337 is a vulnerability with a CVSS score of 7.5 (HIGH). The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string....

How severe is CVE-2018-14337?

CVE-2018-14337 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-14337?

Check the references section above for vendor advisories and patch information. Affected products include: Mruby Mruby, Debian Debian Linux.