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Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : FastCGI vulnerability (USN-7486-1)

critical Nessus Plugin ID 235342

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by a vulnerability as referenced in the USN-7486-1 advisory.

 It was discovered that FastCGI incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-7486-1

Plugin Details

Severity: Critical

ID: 235342

File Name: ubuntu_USN-7486-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/6/2025

Updated: 5/6/2025

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2025-23016

CVSS v3

Risk Factor: Critical

Base Score: 9.3

Temporal Score: 8.1

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:canonical:ubuntu_linux:libfcgi0ldbl, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libfcgi-dev, p-cpe:/a:canonical:ubuntu_linux:libfcgi-bin, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.10, p-cpe:/a:canonical:ubuntu_linux:libfcgi0t64

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2025

Vulnerability Publication Date: 1/10/2025

Reference Information

CVE: CVE-2025-23016

USN: 7486-1