Home/CVE/Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String
CVE

CVE-2016-2337

Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String

Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.

CRITICAL · CVSS 9.8 EPSS 0.00805
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules3 YARA rules0
▤

Affected Products & Versions

1
ruby-lang rubyall versions
⚠

Public Exploits & PoCs

1
pocwww.talosintelligence.com · TALOS-2016-0031www.talosintelligence.com
◈

Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumRuby on Rails Framework Exceptions
productmediumPotential Ruby Reverse Shell
productmediumRuby Inline Command Execution
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cret@cert.org
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 NVD06 Jan 2017 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
usnUSN-3365-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/91233
https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
https://security.gentoo.org/glsa/201710-18
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