CVE-2020-6839 : In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to

In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.

Published 2020-01-11 03:15:11

Updated 2020-01-13 20:00:23

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-6839

Mruby » Mruby » Version: 2.1.0
cpe:2.3:a:mruby:mruby:2.1.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.47%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 73 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/mruby/mruby/issues/4929

stack overflow in mrb_str_len_to_dbl in src/string.c:2542 · Issue #4929 · mruby/mruby · GitHub
Exploit;Third Party Advisory

Jump to