Buffer overflow in Jerryscript
CVE-2020-24345
JerryScript through 2.3.0 allows stack consumption via function a(){new new Proxy(a,{})}JSON.parse("[]",a). NOTE: the vendor states that the problem is the lack of the --stack-limit option
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/jerryscript-project/jerryscript/issues/3977 (Exploit, Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2020-24345?
- CVE-2020-24345 is a high-severity vulnerability in Jerryscript, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-08-13.
- How severe is CVE-2020-24345?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-24345 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.