High severity · published Jul 17, 2018
CVE-2018-14337
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…
7.5
CVSS
1.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
MR
Mruby · Mruby
1.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14337
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14337
Exploit
https://github.com/mruby/mruby/issues/4062
Mailing List
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html
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