CVE-2018-8777

HIGH

Ruby < 2.2.10, 2.3.x < 2.3.7, 2.4.x < 2.4.4, 2.5.x < 2.5.1, 2.6.0-preview1 - Denial of Service via Crafted HTTP Request

Title source: llm
STIX 2.1

Description

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).

References (20)

Core 20
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3685-1/
Patch, Vendor Advisory x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103683
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3729
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1042004
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3730
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3731
Patch, Vendor Advisory x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
Patch, Vendor Advisory x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4259
Patch, Vendor Advisory x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2028
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0542
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0591
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0663

Scores

CVSS v3 7.5
EPSS 0.0145
EPSS Percentile 81.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (13)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 7.4
redhat/enterprise_linux 7.5
... and 3 more
Published Apr 03, 2018
Tracked Since Feb 18, 2026