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ubuntucveUbuntu.comUB:CVE-2017-17790
HistoryDec 20, 2017 - 12:00 a.m.

CVE-2017-17790

2017-12-2000:00:00
ubuntu.com
ubuntu.com
18

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.895

Percentile

98.8%

The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses
Kernel#open, which might allow Command Injection attacks, as demonstrated
by a Resolv::Hosts::new argument beginning with a ‘|’ character, a
different vulnerability than CVE-2017-17405. NOTE: situations with
untrusted input may be highly unlikely.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchruby1.9.1< 1.9.3.484-2ubuntu1.7UNKNOWN
ubuntu17.10noarchruby2.3< 2.3.3-1ubuntu1.2UNKNOWN
ubuntu16.04noarchruby2.3< 2.3.1-2~16.04.5UNKNOWN
ubuntu18.04noarchruby2.5< 2.5.1-1UNKNOWN

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.895

Percentile

98.8%