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Ubuntu 24.04 LTS / 25.04 / 25.10 : OpenStack Keystone vulnerability (USN-7857-1)

info Nessus Plugin ID 272304

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7857-1 advisory.

 Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access and escalate privileges.

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 keystone, keystone-common and / or python3-keystone packages.

See Also

https://ubuntu.com/security/notices/USN-7857-1

Plugin Details

Severity: Info

ID: 272304

File Name: ubuntu_USN-7857-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/5/2025

Updated: 11/5/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:keystone-common, p-cpe:/a:canonical:ubuntu_linux:keystone, p-cpe:/a:canonical:ubuntu_linux:python3-keystone

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/4/2025

Vulnerability Publication Date: 11/4/2025

Reference Information

USN: 7857-1