CVE-2017-0899

high-risk
Published 2017-08-31

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.

Do I need to act?

~
7.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (13)

Rubygems

Affected Vendors

Debian Redhat Rubygems

References (26)

Patch http://blog.rubygems.org/2017/08/27/2.6.13-released.html
Third Party Advisory http://www.securityfocus.com/bid/100576
Third Party Advisory http://www.securitytracker.com/id/1039249
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3485
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0378
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0583
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0585
Patch https://github.com/rubygems/rubygems/commit/1bcbc7fe637b03145401ec9c094066285934...
Patch https://github.com/rubygems/rubygems/commit/ef0aa611effb5f54d40c7fba6e8235eb43c5...
Exploit https://hackerone.com/reports/226335
Mailing List https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Third Party Advisory https://security.gentoo.org/glsa/201710-01
Third Party Advisory https://www.debian.org/security/2017/dsa-3966
Patch http://blog.rubygems.org/2017/08/27/2.6.13-released.html
Third Party Advisory http://www.securityfocus.com/bid/100576
Third Party Advisory http://www.securitytracker.com/id/1039249
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3485
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0378
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0583
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0585
and 6 more references
59
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 10/34 · Low
Exposure 17/34 · Moderate