CVE-2016-2337 — Type Confusion in Ruby

CWE-843 — Type Confusion7 documents7 sources
Severity
9.8CRITICALNVD
EPSS
0.8%
top 25.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
RubyTCL TKRuby-lang Ruby
Timeline
PublishedJan 6
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5ruby/ruby2.2.2, 2.3.0 dev+1
▶NVDruby-lang/ruby2.2.2, 2.3.0+1
▶CVEListV5tcl/tcl_tk8.6 or later

🔴Vulnerability Details

3
GHSA
GHSA-f58m-77qc-8gjv: Type confusion exists in _cancel_eval Ruby's TclTkIp class method↗2022-05-14
▶
OSV
CVE-2016-2337: Type confusion exists in _cancel_eval Ruby's TclTkIp class method↗2017-01-06
▶
CVEList
CVE-2016-2337: Type confusion exists in _cancel_eval Ruby's TclTkIp class method↗2017-01-06
▶

📋Vendor Advisories

2
Ubuntu
Ruby vulnerabilities↗2017-07-25
▶
Red Hat
ruby: TclTkIp ip_cancel_eval type confusion vulnerability↗2016-06-14
▶

💬Community

1
Bugzilla
CVE-2016-2337 ruby: TclTkIp ip_cancel_eval type confusion vulnerability↗2017-01-12
▶
CVE-2016-2337 — Type Confusion in Ruby | cvebase