CVE-2018-1000078 Information

Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier Ruby 2.3 series: 2.3.6 and earlier Ruby 2.4 series: 2.4.3 and earlier Ruby 2.5 series: 2.5.0 and earlier prior to trunk revision 62422 contains a Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack appear to be exploitable via the victim must browse to a malicious gem on a vulnerable gem server. This vulnerability appears to have been fixed in 2.7.6.

CVSS Vector

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

Reference

http://blog.rubygems.org/2018/02/15/2.7.6-released.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html https://access.redhat.com/errata/RHSA-2018:3729 https://access.redhat.com/errata/RHSA-2018:3730 https://access.redhat.com/errata/RHSA-2018:3731 https://access.redhat.com/errata/RHSA-2019:2028 https://access.redhat.com/errata/RHSA-2020:0542 https://access.redhat.com/errata/RHSA-2020:0591 https://access.redhat.com/errata/RHSA-2020:0663 https://github.com/rubygems/rubygems/commit/66a28b9275551384fdab45f3591a82d6b59952cb https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html https://usn.ubuntu.com/3621-1/ https://www.debian.org/security/2018/dsa-4219 https://www.debian.org/security/2018/dsa-4259

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1