CVE-2017-0900

high-risk
Published 2017-08-31

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a `query` command.

Do I need to act?

!
11.2% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (13)

Rubygems

Affected Vendors

Redhat Rubygems Debian

References (24)

Patch http://blog.rubygems.org/2017/08/27/2.6.13-released.html
Third Party Advisory http://www.securityfocus.com/bid/100579
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/8a38a4fc24c6591e6c8f43d1fadab6efeb4d...
Exploit https://hackerone.com/reports/243003
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/100579
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/8a38a4fc24c6591e6c8f43d1fadab6efeb4d...
and 4 more references
54
/ 100
high-risk
Severity 26/34 · High
Exploitability 11/34 · Low
Exposure 17/34 · Moderate