HTTP Response Splitting Affecting rubygem-bigdecimal package, versions <0:1.2.0-36.amzn2.0.7


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.78% (82nd percentile)

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  • Snyk IDSNYK-AMZN2-RUBYGEMBIGDECIMAL-6371087
  • published5 Mar 2024
  • disclosed26 Nov 2019

Introduced: 26 Nov 2019

CVE-2019-16254  (opens in a new tab)
CWE-113  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 rubygem-bigdecimal to version 0:1.2.0-36.amzn2.0.7 or higher.
This issue was patched in ALAS2-2024-2486.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-bigdecimal package and not the rubygem-bigdecimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it to insert a newline character to split a header, and inject malicious content to deceive clients. NOTE: this issue exists because of an incomplete fix for CVE-2017-17742, which addressed the CRLF vector, but did not address an isolated CR or an isolated LF.

CVSS Scores

version 3.1