HTTP Response Splitting Affecting rubygem-sinatra package, versions <1:1.4.7-3.el7sat


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (61st percentile)

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  • Snyk IDSNYK-RHEL7-RUBYGEMSINATRA-4447144
  • published26 Jul 2021
  • disclosed10 Jun 2019

Introduced: 10 Jun 2019

CVE-2019-12387  (opens in a new tab)
CWE-113  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rubygem-sinatra to version 1:1.4.7-3.el7sat or higher.
This issue was patched in RHSA-2019:3172.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-sinatra package and not the rubygem-sinatra package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

CVSS Scores

version 3.1