VulnerabilityModified
CVE-2016-2337
Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.
CRITICAL 9.8EPSS 6.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.20% probability · 93th percentile
- CISA KEV
- Not listed
- Affected
- ruby-lang/ruby
- Source
- cret@cert.org
References
- http://www.securityfocus.com/bid/91233
- http://www.talosintelligence.com/reports/TALOS-2016-0031/Exploit, Technical Description, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
- https://security.gentoo.org/glsa/201710-18
- http://www.securityfocus.com/bid/91233
- http://www.talosintelligence.com/reports/TALOS-2016-0031/Exploit, Technical Description, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
- https://security.gentoo.org/glsa/201710-18
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.