Debian dla-4115 : ruby-saml - security update

critical Nessus Plugin ID 233876

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4115 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4115-1 [email protected] https://www.debian.org/lts/security/ Daniel Leidert April 05, 2025 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : ruby-saml Version : 1.11.0-1+deb11u2 CVE ID : CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 Debian Bug : 1100441

Multiple vulnerabilities have been detected in ruby-saml, a library for implementing the client side of a SAML authorization.

CVE-2025-25291 and CVE-2025-25292

ruby-saml is susceptible to an authentication bypass vulnerability.

CVE-2025-25293

ruby-saml is susceptible to a Zlib deflate decompression bomb and a remote Denial of Service (DoS) caused by compressed SAML responses.

For Debian 11 bullseye, these problems have been fixed in version 1.11.0-1+deb11u2.

We recommend that you upgrade your ruby-saml packages.

For the detailed security status of ruby-saml please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/ruby-saml

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the ruby-saml packages.

Plugin Details

Severity: Critical

ID: 233876

File Name: debian_DLA-4115.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/4/2025

Updated: 4/4/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2025-25293

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2025-25292

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:ruby-saml

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/5/2025

Vulnerability Publication Date: 3/12/2025

Reference Information

CVE: CVE-2025-25291, CVE-2025-25292, CVE-2025-25293

Detections

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