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Debian DLA-1956-1 : ruby-openid security update

critical Nessus Plugin ID 129801

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Synopsis

The remote Debian host is missing a security update.

Description

ruby-openid performed discovery first, and then verification. This allowed an attacker to change the URL used for discovery and trick the server into connecting to the URL. This server in turn could be a private server not publicly accessible.

Furthermore, if the client that uses this library discloses connection errors, this in turn could disclose information from the private server to the attacker.

For Debian 8 'Jessie', this problem has been fixed in version 2.5.0debian-1+deb8u1.

We recommend that you upgrade your ruby-openid packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected ruby-openid package.

See Also

https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html

https://packages.debian.org/source/jessie/ruby-openid

Plugin Details

Severity: Critical

ID: 129801

File Name: debian_DLA-1956.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/11/2019

Updated: 4/18/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-11027

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:ruby-openid

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/11/2019

Vulnerability Publication Date: 6/10/2019

Reference Information

CVE: CVE-2019-11027