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CVE-2017-10784

Published: 19 September 2017

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
ruby1.9.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

trusty
Released (1.9.3.484-2ubuntu1.5)
upstream Needs triage

xenial Does not exist

zesty Does not exist

ruby2.0
Launchpad, Ubuntu, Debian
upstream Needs triage

artful Does not exist

bionic Does not exist

trusty
Released (2.0.0.484-1ubuntu2.10)
xenial Does not exist

zesty Does not exist

ruby2.3
Launchpad, Ubuntu, Debian
artful
Released (2.3.3-1ubuntu1.2)
bionic Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (2.3.1-2~16.04.5)
zesty Ignored
(end of life)
Patches:
upstream: https://github.com/ruby/ruby/commit/6617c41292b7d1e097abb8fdb0cab9ddd83c77e7

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H