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Ubuntu: USN-4201-1 (CVE-2019-16254): Ruby vulnerabilities

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Ubuntu: USN-4201-1 (CVE-2019-16254): Ruby vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
10/01/2019
Created
11/30/2019
Added
11/27/2019
Modified
01/22/2020

Description

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.

Solution(s)

  • ubuntu-upgrade-libruby2-3
  • ubuntu-upgrade-libruby2-5
  • ubuntu-upgrade-ruby2-3
  • ubuntu-upgrade-ruby2-5

References

  • ubuntu-upgrade-libruby2-3
  • ubuntu-upgrade-libruby2-5
  • ubuntu-upgrade-ruby2-3
  • ubuntu-upgrade-ruby2-5

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