SB2020061532 - Buffer overflow in JerryScript
Published: June 15, 2020 Updated: August 8, 2020
Security Bulletin ID
SB2020061532
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-14163)
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.