Out-of-bounds Read in Jerryscript
CVE-2020-14163
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (68.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Jerryscript — versions 2.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/jerryscript-project/jerryscript/issues/3804 (Third Party Advisory)
- github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae6881… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-14163?
- CVE-2020-14163 is a high-severity vulnerability in Jerryscript, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-06-15.
- How severe is CVE-2020-14163?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-14163 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.