Debian dla-4288 : ruby-saml - security update

medium Nessus Plugin ID 260151

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4288 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4288-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk September 01, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : ruby-saml Version : 1.11.0-1+deb11u3 CVE ID : CVE-2025-54572

DoS with large SAML responses has been fixed in ruby-saml, a library implementing the client side of SAML authorization for the Ruby interpreter.

For Debian 11 bullseye, this problem has been fixed in version 1.11.0-1+deb11u3.

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

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

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

Solution

Upgrade the ruby-saml packages.

Plugin Details

Severity: Medium

ID: 260151

File Name: debian_DLA-4288.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/1/2025

Updated: 9/1/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2025-54572

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: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

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: 9/1/2025

Vulnerability Publication Date: 7/30/2025

Reference Information

CVE: CVE-2025-54572

Detections

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