CVE-2016-2337
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.2% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-01-06 21:00Z9 YR AGO
- Last updated
- 2024-08-05 23:24Z2 YR AGO
- Reserved
- 2016-02-12
- Assigning CNA
- certcc
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')Base
- Data version
- 5.1
- Document digest
- 02b9d73d8b7977e022b9ad20d275c96b96ffd4c59cdc974c83f6f151fac6541b
05 Affected products
06 References
- www.talosintelligence.comhttp://www.talosintelligence.com/reports/TALOS-2016-0031/
- www.securityfocus.com91233http://www.securityfocus.com/bid/91233
- lists.debian.org[debian-lts-announce] 20180827 [SECURITY] [DLA 1480-1] ruby2.1 security updatehttps://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
- security.gentoo.orgGLSA-201710-18https://security.gentoo.org/glsa/201710-18
07 Fixed in
Ubuntu 14.04 LTS
- ruby1.9.1 Fixed in 1.9.3.484-2ubuntu1.3
- ruby2.0 Fixed in 2.0.0.484-1ubuntu2.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.