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CVE-2017-0899

Good to know:

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Date: August 31, 2017

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.

Language: Ruby

Severity Score

Related Resources (19)

https://access.redhat.com/security/cve/CVE-2017-0899
https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://access.redhat.com/errata/RHSA-2017:3485
https://www.debian.org/security/2017/dsa-3966
https://hackerone.com/reports/226335
https://web.archive.org/web/20170907215801/http://www.securitytracker.com/id/1039249
https://github.com/rubygems/rubygems/commit/1bcbc7fe637b03145401ec9c094066285934a7f1
https://nvd.nist.gov/vuln/detail/CVE-2017-0899
http://www.securityfocus.com/bid/100576
http://www.securitytracker.com/id/1039249
https://security.gentoo.org/glsa/201710-01
http://blog.rubygems.org/2017/08/27/2.6.13-released.html
https://access.redhat.com/errata/RHSA-2018:0585
https://access.redhat.com/errata/RHSA-2018:0378
https://web.archive.org/web/20170915000000*/http://www.securityfocus.com/bid/100576#:~:text=1%20snapshot-,11%3A49%3A33,-Note
https://access.redhat.com/errata/RHSA-2018:0583
https://github.com/rubygems/rubygems
https://www.mend.io/vulnerability-database/CVE-2017-0899

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Improper Neutralization of Escape, Meta, or Control Sequences

CWE-150

Top Fix

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Upgrade Version

Upgrade to version jekyll-standalone - no_fix;PactNet-OSX - no_fix;PactNet-Linux-x86 - no_fix;ruby - 2.3.1;ruby - 2.4.4;PactNet-Linux-x64 - no_fix;PactNet.OSX - no_fix;PactNet-Windows - no_fix;PactNet.Linux.x64 - no_fix;rubygems-update - 2.6.13;PactNet.Linux.x86 - no_fix;PactNet.Windows - no_fix;Ruby.Compass - no_fix;NougatUI - no_fix;PactNet - 2.0.8-beta;org.jruby:jruby-stdlib:1.7.7

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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