CVE-2017-0899

Public Exploit

Description

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 6.01% Top 10%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory rubygems.org
Affected: HackerOne RubyGems
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:0585 third party advisory vendor advisory
https://www.debian.org/security/2017/dsa-3966 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0378 third party advisory vendor advisory
https://hackerone.com/reports/226335 exploit third party advisory patch
http://www.securitytracker.com/id/1039249 vdb entry third party advisory
https://github.com/rubygems/rubygems/commit/1bcbc7fe637b03145401ec9c094066285934a7f1 third party advisory patch
https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5a491 third party advisory patch
https://access.redhat.com/errata/RHSA-2017:3485 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:0583 third party advisory vendor advisory
https://security.gentoo.org/glsa/201710-01 third party advisory vendor advisory
http://www.securityfocus.com/bid/100576 vdb entry third party advisory
http://blog.rubygems.org/2017/08/27/2.6.13-released.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-0899?
CVE-2017-0899 has been scored as a critical severity vulnerability.
How to fix CVE-2017-0899?
To fix CVE-2017-0899, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0899 being actively exploited in the wild?
It is possible that CVE-2017-0899 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0899?
CVE-2017-0899 affects HackerOne RubyGems.
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