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Ubuntu 25.10 : sudo-rs vulnerabilities (USN-7867-1)

info Nessus Plugin ID 274750

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 25.10 host has a package installed that is affected by a vulnerability as referenced in the USN-7867-1 advisory.

 It was discovered that sudo-rs incorrectly handled passwords when timeouts occurred and the pwfeedback default was not set. This could result in a partially typed password being output to standard input, contrary to expectations.

 It was discovered that sudo-rs incorrectly handled the targetpw and rootpw default settings when creating timestamp files. A local attacker could possibly use this issue to bypass authentication in certain configurations.

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 sudo-rs package.

See Also

https://ubuntu.com/security/notices/USN-7867-1

Plugin Details

Severity: Info

ID: 274750

File Name: ubuntu_USN-7867-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/11/2025

Updated: 11/11/2025

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:sudo-rs, cpe:/o:canonical:ubuntu_linux:25.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2025

Vulnerability Publication Date: 11/10/2025

Reference Information

USN: 7867-1