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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Ruby SAML vulnerabilities (USN-7309-1)

critical Nessus Plugin ID 216932

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7309-1 advisory.

 It was discovered that Ruby SAML did not properly validate SAML responses. An unauthenticated attacker could use this vulnerability to log in as an

 abitrary user. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-5697)

 It was discovered that Ruby SAML incorrectly utilized the results of XML DOM traversal and canonicalization APIs. An unauthenticated attacker could use this vulnerability to log in as an abitrary user. This issue only

 affected Ubuntu 16.04 LTS. (CVE-2017-11428)

 It was discovered that Ruby SAML did not properly verify the signature of the SAML Response, allowing multiple elements with the same ID. An

 unauthenticated attacker could use this vulnerability to log in as an

 abitrary user. (CVE-2024-45409)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected ruby-saml package.

See Also

https://ubuntu.com/security/notices/USN-7309-1

Plugin Details

Severity: Critical

ID: 216932

File Name: ubuntu_USN-7309-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/28/2025

Updated: 9/3/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2017-11428

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2024-45409

CVSS v4

Risk Factor: Critical

Base Score: 9.9

Threat Score: 9.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

CVSS Score Source: CVE-2024-45409

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.10, p-cpe:/a:canonical:ubuntu_linux:ruby-saml, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/28/2025

Vulnerability Publication Date: 6/24/2016

Reference Information

CVE: CVE-2016-5697, CVE-2017-11428, CVE-2024-45409

USN: 7309-1