CVE-2017-0899 Information

Description

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.

CVSS Vector

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

Reference

http://blog.rubygems.org/2017/08/27/2.6.13-released.html http://www.securityfocus.com/bid/100576 http://www.securitytracker.com/id/1039249 https://access.redhat.com/errata/RHSA-2017:3485 https://access.redhat.com/errata/RHSA-2018:0378 https://access.redhat.com/errata/RHSA-2018:0583 https://access.redhat.com/errata/RHSA-2018:0585 https://github.com/rubygems/rubygems/commit/1bcbc7fe637b03145401ec9c094066285934a7f1 https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491 https://hackerone.com/reports/226335 https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html https://security.gentoo.org/glsa/201710-01 https://www.debian.org/security/2017/dsa-3966

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8