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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : Rack vulnerabilities (USN-7507-1)

medium Nessus Plugin ID 236870

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7507-1 advisory.

 It was discovered that Rack incorrectly handled deleted rack sessions. An attacker could possibly use this issue to expose sensitive information or to gain unauthorized access to user accounts. (CVE-2025-32441)

 It was discovered that Rack incorrectly limited the number of parameters in a web request. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-46727)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-7507-1

Plugin Details

Severity: Medium

ID: 236870

File Name: ubuntu_USN-7507-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/16/2025

Updated: 5/16/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2025-32441

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:librack-ruby, p-cpe:/a:canonical:ubuntu_linux:librack-ruby1.9.1, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.10, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ruby-rack, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:librack-ruby1.8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/12/2025

Vulnerability Publication Date: 5/1/2025

Reference Information

CVE: CVE-2025-32441, CVE-2025-46727

USN: 7507-1