Detections
Analytics

Ubuntu 25.04 : Flask vulnerability (USN-7534-1)

low Nessus Plugin ID 237264

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 25.04 host has a package installed that is affected by a vulnerability as referenced in the USN-7534-1 advisory.

 It was discovered that Flask incorrectly handled key rotation. An attacker could possibly use this issue to sign sessions with stale keys.

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 python3-flask package.

See Also

https://ubuntu.com/security/notices/USN-7534-1

Plugin Details

Severity: Low

ID: 237264

File Name: ubuntu_USN-7534-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/26/2025

Updated: 5/26/2025

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: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2025-47278

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

CVSS v4

Risk Factor: Low

Base Score: 1.8

Threat Score: 0.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python3-flask, cpe:/o:canonical:ubuntu_linux:25.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2025

Vulnerability Publication Date: 5/13/2025

Reference Information

CVE: CVE-2025-47278

USN: 7534-1