Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2018-8778 First vendor Publication 2018-04-03
Vendor Cve Last vendor Modification 2019-10-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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 controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8778

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-134 Uncontrolled Format String (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1048
Os 3
Os 3
Os 5

Nessus® Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-dd8162c004.nasl - Type : ACT_GATHER_INFO
2018-10-31 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2018-005.nasl - Type : ACT_GATHER_INFO
2018-09-18 Name : The remote EulerOS Virtualization host is missing multiple security updates.
File : EulerOS_SA-2018-1275.nasl - Type : ACT_GATHER_INFO
2018-08-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4259.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_13_6.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2018-004.nasl - Type : ACT_GATHER_INFO
2018-07-16 Name : The remote Debian host is missing a security update.
File : debian_DLA-1421.nasl - Type : ACT_GATHER_INFO
2018-07-03 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1206.nasl - Type : ACT_GATHER_INFO
2018-07-03 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1207.nasl - Type : ACT_GATHER_INFO
2018-06-07 Name : The remote Fedora host is missing a security update.
File : fedora_2018-a459acd54b.nasl - Type : ACT_GATHER_INFO
2018-04-24 Name : The remote Debian host is missing a security update.
File : debian_DLA-1358.nasl - Type : ACT_GATHER_INFO
2018-04-24 Name : The remote Debian host is missing a security update.
File : debian_DLA-1359.nasl - Type : ACT_GATHER_INFO
2018-04-06 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-983.nasl - Type : ACT_GATHER_INFO
2018-03-30 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-088-01.nasl - Type : ACT_GATHER_INFO
2018-03-30 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_eb69bcf218ef4aa2bb0c83b263364089.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/103693
CONFIRM https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-201...
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
DEBIAN https://www.debian.org/security/2018/dsa-4259
MLIST https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
REDHAT https://access.redhat.com/errata/RHSA-2018:3729
https://access.redhat.com/errata/RHSA-2018:3730
https://access.redhat.com/errata/RHSA-2018:3731
https://access.redhat.com/errata/RHSA-2019:2028
SECTRACK http://www.securitytracker.com/id/1042004
SUSE http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
UBUNTU https://usn.ubuntu.com/3626-1/

Alert History

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Date Informations
2021-05-04 13:21:06
  • Multiple Updates
2021-04-22 02:36:09
  • Multiple Updates
2020-05-23 02:20:19
  • Multiple Updates
2020-05-23 01:19:30
  • Multiple Updates
2019-10-03 09:21:30
  • Multiple Updates
2019-07-21 17:19:33
  • Multiple Updates
2019-04-22 21:19:17
  • Multiple Updates
2019-02-28 17:19:05
  • Multiple Updates
2018-11-30 17:19:03
  • Multiple Updates
2018-10-31 13:21:27
  • Multiple Updates
2018-10-24 12:08:53
  • Multiple Updates
2018-08-03 09:19:11
  • Multiple Updates
2018-07-15 09:19:13
  • Multiple Updates
2018-05-15 17:19:05
  • Multiple Updates
2018-04-25 09:19:22
  • Multiple Updates
2018-04-18 09:19:32
  • Multiple Updates
2018-04-11 09:19:19
  • Multiple Updates
2018-04-04 05:18:12
  • First insertion