SUSE SLED15 / SLES15 / openSUSE 15 Security Update : rpm (SUSE-SU-2024:1557-1)

medium Nessus Plugin ID 195188

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:1557-1 advisory.

- There is a flaw in RPM's signature functionality. OpenPGP subkeys are associated with a primary key via a binding signature. RPM does not check the binding signature of subkeys prior to importing them. If an attacker is able to add or socially engineer another party to add a malicious subkey to a legitimate public key, RPM could wrongly trust a malicious signature. The greatest impact of this flaw is to data integrity. To exploit this flaw, an attacker must either compromise an RPM repository or convince an administrator to install an untrusted RPM or public key. It is strongly recommended to only use RPMs and public keys from trusted sources. (CVE-2021-3521)

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.

Plugin Details

Severity: Medium

ID: 195188

File Name: suse_SU-2024-1557-1.nasl

Version: 1.0

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/9/2024

Updated: 5/9/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-3521

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:rpm-ndb, p-cpe:/a:novell:suse_linux:rpm-32bit, p-cpe:/a:novell:suse_linux:rpm, p-cpe:/a:novell:suse_linux:rpm-devel, p-cpe:/a:novell:suse_linux:rpm-build, p-cpe:/a:novell:suse_linux:python3-rpm, p-cpe:/a:novell:suse_linux:python311-rpm, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2024

Vulnerability Publication Date: 2/22/2022

Reference Information

CVE: CVE-2021-3521

SuSE: SUSE-SU-2024:1557-1

Detections

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