CVE-2020-23321 : There is a heap-buffer-overflow at lit-strings.c:431 in lit_read_code_unit_from

There is a heap-buffer-overflow at lit-strings.c:431 in lit_read_code_unit_from_utf8 in JerryScript 2.2.0.

Published 2021-06-10 23:15:08

Updated 2021-06-16 17:13:31

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-23321

Jerryscript » Jerryscript » Version: 2.2.0
cpe:2.3:a:jerryscript:jerryscript:2.2.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.26%

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

~ 65 %

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/jerryscript-project/jerryscript/issues/3870

heap-buffer-overflow in lit_read_code_unit_from_utf8 · Issue #3870 · jerryscript-project/jerryscript · GitHub
Exploit;Issue Tracking;Patch;Third Party Advisory

Jump to