Buffer overflow in Prost Project

CVE-2020-35858

An issue was discovered in the prost crate before 0.6.1 for Rust. There is stack consumption via a crafted message, causing a denial of service (e.g., x86) or possibly remote code execution (e.g., ARM).

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-35858: held from 0.033 to 0.034.

EPSS over last 30 days · oldest: 0.033 · newest: 0.034 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35858?
CVE-2020-35858 is a critical-severity vulnerability in Prost Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-31.
How severe is CVE-2020-35858?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-35858 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.