CVE-2019-16201

Advisory lineage Upstream: 0 Downstream: 21
Modified
Published: 26 Nov 2019, 00:00
Last modified:05 Aug 2024, 01:10

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
0.61% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Nov 2019, 00:00
Published
Vulnerability first disclosed
05 Aug 2024, 01:10
Last Modified
Vulnerability information updated

Description

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.61%• Percentile: 70%

Techniques & Countermeasures

  • CWE-287•Improper Authentication

    When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Systems

  • debian•debian_linux

    8.0

  • ruby-lang•ruby

    ≥ 2.4.0, ≤ 2.4.7 | ≥ 2.5.0, ≤ 2.5.6 | ≥ 2.6.0, ≤ 2.6.4

References (11)