CVE-2018-1000074

rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML

Severity Score

7.8

*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 Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file. 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 deserialización de datos no fiables en el comando owner que puede resultar en la ejecución de código. Este ataque parece ser explotable si la víctima ejecuta el comando "gem owner" con un archivo YAML especialmente manipulado. La vulnerabilidad parece haber sido solucionada en la versión 2.7.6.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* 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
2023-06-05 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

References (20)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/04/msg00017.html	Mailing List
https://lists.debian.org/debian-lts-announce/2018/08/msg00028.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/254e3d0ee873c008c0b74e8b8abcbdab4caa0a6d	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://usn.ubuntu.com/3621-2	2019-05-20
https://usn.ubuntu.com/3685-1	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-2018-1000074	2020-03-03
https://bugzilla.redhat.com/show_bug.cgi?id=1547419	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