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FreeBSD: VID-DD644964-E10E-11E7-8097-0800271D4B9C (CVE-2017-17405): ruby -- Command injection vulnerability in Net::FTP

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FreeBSD: VID-DD644964-E10E-11E7-8097-0800271D4B9C (CVE-2017-17405): ruby -- Command injection vulnerability in Net::FTP

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
12/14/2017
Created
07/25/2018
Added
12/20/2017
Modified
05/03/2019

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)

  • freebsd-upgrade-package-ruby

References

  • 102204
  • 1042004
  • RHSA-2018:0378
  • RHSA-2018:0583
  • RHSA-2018:0584
  • RHSA-2018:0585
  • DSA-4259
  • CVE-2017-17405
  • USN-3515-1
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