CVE-2017-14033
Vulnerability Summary
Timeline
Description
The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string.
CVSS Metrics
- v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 8.18%• Percentile: 92%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- ruby-lang•ruby
2.2.0 | 2.2.0:preview1 | 2.2.0:preview2 | 2.2.0:rc1 | 2.2.1 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.7 | 2.3.0 | 2.3.0:preview1 | 2.3.0:preview2 | 2.3.1 | 2.3.2 | 2.3.3 | 2.3.4 | 2.4.0 | 2.4.0:preview1 | 2.4.0:preview2 | 2.4.0:preview3 | 2.4.0:rc1 | 2.4.1
References (12)
- https://access.redhat.com/errata/RHSA-2018:0585
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/
- https://access.redhat.com/errata/RHSA-2018:0378
- http://www.securitytracker.com/id/1042004
- https://www.debian.org/security/2017/dsa-4031
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/
- http://www.securitytracker.com/id/1039363
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://access.redhat.com/errata/RHSA-2018:0583
- https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033/
- http://www.securityfocus.com/bid/100868
- https://security.gentoo.org/glsa/201710-18