#VU34253 Buffer overflow in JerryScript - CVE-2020-14163
Published: June 15, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34253
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-14163
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
JerryScript
JerryScript
Software vendor:
JerryScript
JerryScript
Description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. Operations with key/value pairs did not consider the case where garbage collection is triggered after the key operation but before the value operation, as demonstrated by improper read access to memory in ecma_gc_set_object_visited in ecma/base/ecma-gc.c.
Remediation
Install update from vendor's website.