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Debian dla-4400 : rear - security update

medium Nessus Plugin ID 278128

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4400 advisory.

 ------------------------------------------------------------------------- Debian LTS Advisory DLA-4400-1 [email protected] https://www.debian.org/lts/security/ Daniel Leidert December 10, 2025 https://wiki.debian.org/LTS
 -------------------------------------------------------------------------

 Package : rear Version : 2.6+dfsg-1+deb11u1 CVE ID : CVE-2024-23301 Debian Bug : 1060747

 It has been discovered that Relax-and-Recover (aka ReaR) creates a world-readable initrd when using GRUB_RESCUE=y. This allows local attackers to gain access to system secrets otherwise only readable by root.

 For Debian 11 bullseye, this problem has been fixed in version 2.6+dfsg-1+deb11u1.

 We recommend that you upgrade your rear packages.

 For the detailed security status of rear please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/rear

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
 signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the rear packages.

See Also

https://security-tracker.debian.org/tracker/source-package/rear

https://security-tracker.debian.org/tracker/CVE-2024-23301

https://packages.debian.org/source/bullseye/rear

Plugin Details

Severity: Medium

ID: 278128

File Name: debian_DLA-4400.nasl

Version: 1.1

Type: local

Agent: unix

Published: 12/10/2025

Updated: 12/10/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2024-23301

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:rear, p-cpe:/a:debian:debian_linux:rear-doc

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/10/2025

Vulnerability Publication Date: 1/12/2024

Reference Information

CVE: CVE-2024-23301