7.5high

CVE-2017-16119

Regular Expression Denial of Service in fresh

Also known as GHSA-9qj9-36jm-prpv

Published 8 y ago · modified 30 d ago · JSON

CVSS
7.5
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
1.6%
percentile 76%
Public exploits
0
none known

Summary

Fresh is a module used by the Express.js framework for HTTP response freshness testing. It is vulnerable to a regular expression denial of service when it is passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
30 d ago

Exploit prediction (EPSS)

1.57% probability of exploitation in the next 30 days, higher than 76% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

EcosystemPackageAffectedFixed in
npmfresh
<0.5.2
0.5.2

Affected products

  • HackerOne fresh node module

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.