CVE-2018-1000078

rubygems: XSS vulnerability in homepage attribute when displayed via gem server

Severity Score

6.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Las versiones de RubyGems de la serie Ruby 2.2: 2.2.9 y anteriores, de la serie Ruby 2.3: 2.3.6 y anteriores, de la serie Ruby 2.4: 2.4.3 y anteriores, y de la serie Ruby 2.5: versiones 2.5.0 y anteriores, anteriores a la revisión del trunk 62422 contiene una vulnerabilidad de Cross-Site Scripting (XSS) en la visualización del servidor gem del atributo homepage que podría resultar en XSS. El ataque parece ser explotable mediante una víctima que navegue hasta una gema maliciosa en un servidor gem vulnerable. La vulnerabilidad parece haber sido solucionada en la versión 2.7.6.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-02-21 CVE Reserved
2018-03-13 CVE Published
2023-10-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (20)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List
https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/rubygems/rubygems/commit/66a28b9275551384fdab45f3591a82d6b59952cb	2019-05-20

URL	Date	SRC
http://blog.rubygems.org/2018/02/15/2.7.6-released.html	2019-05-20
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html	2019-05-20
https://access.redhat.com/errata/RHSA-2018:3729	2019-05-20
https://access.redhat.com/errata/RHSA-2018:3730	2019-05-20
https://access.redhat.com/errata/RHSA-2018:3731	2019-05-20
https://access.redhat.com/errata/RHSA-2019:2028	2019-05-20
https://access.redhat.com/errata/RHSA-2020:0542	2019-05-20
https://access.redhat.com/errata/RHSA-2020:0591	2019-05-20
https://access.redhat.com/errata/RHSA-2020:0663	2019-05-20
https://usn.ubuntu.com/3621-1	2019-05-20
https://www.debian.org/security/2018/dsa-4219	2019-05-20
https://www.debian.org/security/2018/dsa-4259	2019-05-20
https://access.redhat.com/security/cve/CVE-2018-1000078	2020-03-03
https://bugzilla.redhat.com/show_bug.cgi?id=1547425	2020-03-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rubygems Search vendor "Rubygems"		Rubygems Search vendor "Rubygems" for product "Rubygems"				<= 2.2.9 Search vendor "Rubygems" for product "Rubygems" and version " <= 2.2.9"		-		Affected
Rubygems Search vendor "Rubygems"		Rubygems Search vendor "Rubygems" for product "Rubygems"				<= 2.3.6 Search vendor "Rubygems" for product "Rubygems" and version " <= 2.3.6"		-		Affected
Rubygems Search vendor "Rubygems"		Rubygems Search vendor "Rubygems" for product "Rubygems"				<= 2.4.3 Search vendor "Rubygems" for product "Rubygems" and version " <= 2.4.3"		-		Affected
Rubygems Search vendor "Rubygems"		Rubygems Search vendor "Rubygems" for product "Rubygems"				<= 2.5.0 Search vendor "Rubygems" for product "Rubygems" and version " <= 2.5.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected