CVE-2024-3019

Pcp: exposure of the redis server backend allows remote command execution via pmproxy

Description

A flaw was found in PCP. The default pmproxy configuration exposes the Redis server backend to the local network, allowing remote command execution with the privileges of the Redis user. This issue can only be exploited when pmproxy is running. By default, pmproxy is not running and needs to be started manually. The pmproxy service is usually started from the 'Metrics settings' page of the Cockpit web interface. This flaw affects PCP versions 4.3.4 and newer.

Remediation

Workaround:

  • To mitigate this flaw, stop and disable the pmproxy.service or disable the Redis server backend via the pmproxy configuration file. To stop and disable the pmproxy.service, run the following command: ~~~ # systemctl disable --now pmproxy.service ~~~ To disable the Redis backend server via the pmproxy configuration file: ~~~ # sed -i 's/redis.enabled = true/redis.enabled = false/g' /etc/pcp/pmproxy/pmproxy.conf # systemctl restart pmproxy.service ~~~

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.33%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service
Affected: Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:2566 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3264 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3321 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3322 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3323 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3324 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3325 vendor advisory
https://access.redhat.com/errata/RHSA-2024:3392 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-3019 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2271898 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-3019?
CVE-2024-3019 has been scored as a high severity vulnerability.
How to fix CVE-2024-3019?
As a workaround for remediating CVE-2024-3019: To mitigate this flaw, stop and disable the pmproxy.service or disable the Redis server backend via the pmproxy configuration file. To stop and disable the pmproxy.service, run the following command: ~~~ # systemctl disable --now pmproxy.service ~~~ To disable the Redis backend server via the pmproxy configuration file: ~~~ # sed -i 's/redis.enabled = true/redis.enabled = false/g' /etc/pcp/pmproxy/pmproxy.conf # systemctl restart pmproxy.service ~~~
Is CVE-2024-3019 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-3019 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3019?
CVE-2024-3019 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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