Out-of-bounds Read in HackerOne Https-Proxy-Agent Node Module

CVE-2018-3739

https-proxy-agent before 2.1.1 passes auth option to the Buffer constructor without proper sanitization, resulting in DoS and uninitialized memory leak in setups where an attacker could submit typed input to the 'auth' parameter (e.g. JSON).

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% 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-2018-3739: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-3739?
CVE-2018-3739 is a critical-severity vulnerability in HackerOne Https-Proxy-Agent Node Module, classified under Uncontrolled Resource Consumption. CVSS score: 9.1/10. Published 2018-06-07.
How severe is CVE-2018-3739?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2018-3739 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.