high
8
CWE
276
Advisory Published
CVE Published
Updated

CVE-2024-1488: Unbound: unrestricted reconfiguration enabled to anyone that may lead to local privilege escalation

First published: Wed Feb 14 2024(Updated: )

A vulnerability was found in Unbound due to incorrect default permissions, allowing any process outside the unbound group to modify the unbound runtime configuration. If a process can connect over localhost to port 8953, it can alter the configuration of unbound.service. This flaw allows an unprivileged attacker to manipulate a running instance, potentially altering forwarders, allowing them to track all queries forwarded by the local resolver, and, in some cases, disrupting resolving altogether.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/unbound 1.19.1<2.
2.
libunbound<1.19.1-2.fc40
Red Hat CodeReady Linux Builder=9.0
Red Hat CodeReady Linux Builder=9.2
Red Hat CodeReady Linux Builder=9.4
Red Hat CodeReady Linux Builder for Power, little endian=9.0_ppc64le
Red Hat CodeReady Linux Builder for Power, little endian=9.2_ppc64le
Red Hat CodeReady Linux Builder for ARM 64=9.0_aarch64
Red Hat CodeReady Linux Builder for ARM 64=9.2_aarch64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support=9.4_aarch64
Red Hat CodeReady Linux Builder for IBM z Systems=9.0_s390x
Red Hat CodeReady Linux Builder for IBM z Systems=9.2_s390x
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support=9.4_s390x
Red Hat Enterprise Linux=8.0
Red Hat Enterprise Linux=9.0
Red Hat Enterprise Linux Server EUS=8.6
Red Hat Enterprise Linux Server EUS=8.8
Red Hat Enterprise Linux Server EUS=9.2
Red Hat Enterprise Linux Server EUS=9.4
Red Hat Enterprise Linux=8.0_aarch64
Red Hat Enterprise Linux=9.0_aarch64
Red Hat Enterprise Linux=9.2_aarch64
Red Hat Enterprise Linux for ARM64 EUS=8.6_aarch64
Red Hat Enterprise Linux for ARM64 EUS=8.8_aarch64
Red Hat Enterprise Linux for ARM64 EUS=9.4_aarch64
Red Hat Enterprise Linux for IBM Z Systems=8.0_s390x
Red Hat Enterprise Linux for IBM Z Systems=9.0_s390x
Red Hat Enterprise Linux for IBM Z Systems=9.2_s390x
Red Hat Enterprise Linux for IBM Z Systems (s390x)=8.6_s390x
Red Hat Enterprise Linux for IBM Z Systems (s390x)=8.8_s390x
Red Hat Enterprise Linux for IBM Z Systems (s390x)=9.4_s390x
Red Hat Enterprise Linux for Power, little endian=8.0_ppc64le
Red Hat Enterprise Linux for Power, little endian=9.0_ppc64le
Red Hat Enterprise Linux for Power, little endian=9.2_ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=8.6_ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=8.8_ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support=9.4_ppc64le
Red Hat Enterprise Linux Server=8.2
Red Hat Enterprise Linux Server=8.4
Red Hat Enterprise Linux Server=8.6
Red Hat Enterprise Linux Server=9.2
Red Hat Enterprise Linux Server=9.4
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.2_ppc64le
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.4_ppc64le
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.6_ppc64le
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=8.8_ppc64le
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=9.2_ppc64le
Red Hat Enterprise Linux for SAP Applications for Power, little endian - Extended Update Support=9.4_ppc64le
Red Hat Enterprise Linux Server=8.2
Red Hat Enterprise Linux Server=8.4
Red Hat Enterprise Linux Server=8.6
Red Hat Enterprise Linux Server=8.8
IBM Security QRadar<=7.5 - 7.5.0 UP8 IF01

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2264183

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2024-1488?

    CVE-2024-1488 has a medium severity due to its potential impact on system configuration.

  • How do I fix CVE-2024-1488?

    To fix CVE-2024-1488, ensure the correct permissions are set for the unbound runtime configuration and update to the latest version of unbound.

  • What systems are impacted by CVE-2024-1488?

    CVE-2024-1488 affects several versions of IBM QRadar SIEM and specific versions of Red Hat Enterprise Linux.

  • Can CVE-2024-1488 be exploited remotely?

    CVE-2024-1488 can be exploited if an attacker has local access and can connect to unbound's service on localhost.

  • What is the nature of the vulnerability in CVE-2024-1488?

    The vulnerability in CVE-2024-1488 arises from incorrect default permissions that allow unauthorized modifications to the unbound runtime configuration.

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