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OS X update for Ruby (CVE-2017-17405)

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OS X update for Ruby (CVE-2017-17405)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
12/15/2017
Created
03/19/2019
Added
10/31/2018
Modified
03/18/2020

Description

Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the "|" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.

Solution(s)

  • apple-osx-security-update-2018-002-high-sierra
  • apple-osx-upgrade-10_13_6

References

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