Out-of-bounds Read in Jerryscript
CVE-2017-18212
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_hex function in lit/lit-char-helpers.c via a RegExp("[\x0"); payload.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Jerryscript — versions 1.0
Weakness classification (CWE)
References
- github.com/jerryscript-project/jerryscript/issues/2140 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-18212?
- CVE-2017-18212 is a critical-severity vulnerability in Jerryscript, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2018-03-01.
- How severe is CVE-2017-18212?
- Critical severity. CVSS v3 base score is 9.8 out of 10.