CVE-2017-14033

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 7.64% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory ruby-lang.org Vendor Advisory ruby-lang.org Vendor Advisory ruby-lang.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:0585 vendor advisory
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/ release notes patch vendor advisory
https://access.redhat.com/errata/RHSA-2018:0378 vendor advisory
http://www.securitytracker.com/id/1042004 vdb entry
https://www.debian.org/security/2017/dsa-4031 vendor advisory
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/ release notes patch vendor advisory
http://www.securitytracker.com/id/1039363 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html mailing list
https://access.redhat.com/errata/RHSA-2018:0583 vendor advisory
https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033/ mitigation vendor advisory
http://www.securityfocus.com/bid/100868 vdb entry third party advisory
https://security.gentoo.org/glsa/201710-18 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-14033?
CVE-2017-14033 has been scored as a high severity vulnerability.
How to fix CVE-2017-14033?
To fix CVE-2017-14033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14033 being actively exploited in the wild?
It is possible that CVE-2017-14033 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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