Home/CVE/RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service
CVE

CVE-2017-0900

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service

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.

HIGH · CVSS 7.5 EPSS 0.1397
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

8
rubygems<= 2.6.12
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux server tusall versions
redhat enterprise linux workstationall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems rubygems-update HIGH fixed in 2.6.13
⚠

Public Exploits & PoCs

1
pochackerone.com · 243003hackerone.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Aug 2017 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2020:1570-1
rhsaRHSA-2018:0378Low
rhsaRHSA-2018:0585Low
rhsaRHSA-2018:0583Low
rhsaRHSA-2017:3485Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blog.rubygems.org/2017/08/27/2.6.13-released.htmlPatchVendor Advisory
http://www.securityfocus.com/bid/100579Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039249Third Party AdvisoryVDB Entry
https://github.com/rubygems/rubygems/commit/8a38a4fc24c6591e6c8f43d1fadab6efeb4d6251PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/201710-01Third Party Advisory
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