CVE-2017-0899

rubygems: Escape sequence in the "summary" field of gemspec

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

RubyGems 2.6.12 y anteriores es vulnerable a especificaciones de gemas manipuladas maliciosamente que incluyen caracteres de escapada de terminal. Imprimir la especificación de las gemas ejecutaría secuencias de escapada de terminal.

A vulnerability was found where rubygems did not properly sanitize gems' specification text. A specially crafted gem could interact with the terminal via the use of escape sequences.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-11-30 CVE Reserved
2017-08-31 CVE Published
2023-12-05 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-138: Improper Neutralization of Special Elements
CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences

CAPEC

References (15)

URL	Tag	Source
http://www.securityfocus.com/bid/100576	Third Party Advisory
http://www.securitytracker.com/id/1039249	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html	Mailing List

URL	Date	SRC
https://hackerone.com/reports/226335	2024-09-17

URL	Date	SRC
http://blog.rubygems.org/2017/08/27/2.6.13-released.html	2019-10-09
https://github.com/rubygems/rubygems/commit/1bcbc7fe637b03145401ec9c094066285934a7f1	2019-10-09
https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491	2019-10-09

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2017:3485	2019-10-09
https://access.redhat.com/errata/RHSA-2018:0378	2019-10-09
https://access.redhat.com/errata/RHSA-2018:0583	2019-10-09
https://access.redhat.com/errata/RHSA-2018:0585	2019-10-09
https://security.gentoo.org/glsa/201710-01	2019-10-09
https://www.debian.org/security/2017/dsa-3966	2019-10-09
https://access.redhat.com/security/cve/CVE-2017-0899	2018-03-26
https://bugzilla.redhat.com/show_bug.cgi?id=1487590	2018-03-26

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"				<= 2.6.12 Search vendor "Rubygems" for product "Rubygems" and version " <= 2.6.12"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected