CVE-2017-14033

ruby: Buffer underrun in OpenSSL ASN1 decode

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.

El método decode en el módulo OpenSSL::ASN1 en Ruby en versiones anteriores a la 2.2.8, versiones 2.3.x anteriores a 2.3.5, y 2.4.x hasta la 2.4.1 permite que los atacantes provoquen una denegación de servicio (cierre inesperado del intérprete) mediante una string manipulada.

It was found that the decode method of the OpenSSL::ASN1 module was vulnerable to buffer underrun. An attacker could pass a specially crafted string to the application in order to crash the ruby interpreter, causing a denial of service.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-08-30 CVE Reserved
2017-09-19 CVE Published
2024-08-05 CVE Updated
2024-08-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (14)

URL	Tag	Source
http://www.securityfocus.com/bid/100868	Third Party Advisory
http://www.securitytracker.com/id/1039363	Third Party Advisory
http://www.securitytracker.com/id/1042004	Vdb Entry
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released	2018-10-31
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released	2018-10-31

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2018:0378	2018-10-31
https://access.redhat.com/errata/RHSA-2018:0583	2018-10-31
https://access.redhat.com/errata/RHSA-2018:0585	2018-10-31
https://security.gentoo.org/glsa/201710-18	2018-10-31
https://www.debian.org/security/2017/dsa-4031	2018-10-31
https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033	2018-10-31
https://access.redhat.com/security/cve/CVE-2017-14033	2018-03-26
https://bugzilla.redhat.com/show_bug.cgi?id=1491866	2018-03-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.0"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.0"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.0"		rc1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.1 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.1"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.2 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.2"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.3 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.3"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.4 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.4"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.5 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.5"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.6 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.6"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.2.7 Search vendor "Ruby-lang" for product "Ruby" and version "2.2.7"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.0"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.0"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.1 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.1"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.2 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.2"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.3 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.3"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.3.4 Search vendor "Ruby-lang" for product "Ruby" and version "2.3.4"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.0"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.0"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.0"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.0 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.0"		rc1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				2.4.1 Search vendor "Ruby-lang" for product "Ruby" and version "2.4.1"		-		Affected