CVE-2017-17742

Advisory lineage Upstream: 0 Downstream: 23
Modified
Published: 03 Apr 2018, 00:00
Last modified:05 Aug 2024, 20:59

Vulnerability Summary

Overall Risk (default)
low
21/100
CVSS Score
5.3 MEDIUM
v3.0 (nvd)
EPSS Score
1.15% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Apr 2018, 00:00
Published
Vulnerability first disclosed
05 Aug 2024, 20:59
Last Modified
Vulnerability information updated

Description

Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 1.15%• Percentile: 79%

Techniques & Countermeasures

  • CWE-113•Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

    The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.

Affected Systems

  • debian•debian_linux

    7.0

  • ruby-lang•ruby

    ≥ 2.2.0, < 2.2.10 | ≥ 2.3.0, < 2.3.7 | ≥ 2.4.0, < 2.4.4 | ≥ 2.5.0, < 2.5.1 | 2.6.0:preview1

References (20)