Resource exhaustion in libtirpc - CVE-2021-46828

Vulnerability identifier: #VU66152

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-46828

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to library improperly handles idle TCP connections. A remote attacker can exhaust the file descriptors of a process that uses libtirpc and perform a denial of service (DoS)  attack.

libtirpc
Debian Linux
Oracle Linux
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Enterprise Storage
SUSE Linux Enterprise Storage
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Basesystem
openSUSE Leap
openEuler
Ubuntu
IBM MQ Operator
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libtirpc3
libtirpc-netconfig
libtirpc-debugsource
libtirpc3-32bit
libtirpc3-debuginfo
libtirpc3-debuginfo-32bit
libtirpc-devel
libtirpc3-32bit-debuginfo
libtirpc (Red Hat package)
libtirpc3 (Ubuntu package)
libtirpc-debuginfo
libtirpc
libtirpc-help
libtirpc (Debian package)
net-libs/libtirpc
SCALANCE XCM332
Dell EMC Storage Monitoring and Reporting (SMR)
SIMATIC MV540 H
SIMATIC MV540 S
SIMATIC MV550 H
SIMATIC MV550 S
SIMATIC MV560 U
SIMATIC MV560 X
PowerStore T
IBM Cloud Pak for Watson AIOps
HPE Moonshot 1500 Chassis Manager
EMC ViPR SRM
OpenShift Data Foundation (formerly OpenShift Container Storage)
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity XT Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
Dell EMC VxRail Appliance
RSA Authentication Manager

Install updates from vendor's website.

libtirpc - update to 1.3.3
IBM MQ Operator - addressed in versions 1.3.8, 2.0.3
libtirpc3 - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc-netconfig - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc-debugsource - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc3-32bit - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc3-debuginfo - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc3-debuginfo-32bit - update to 1.0.1-17.24.1
libtirpc-devel - addressed in versions 1.0.1-17.24.1, 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc3-32bit-debuginfo - addressed in versions 1.0.2-150000.3.18.1, 1.2.6-150300.3.14.1
libtirpc (Red Hat package) - addressed in versions 1.1.4-6.el8, 1.3.3-0.el9
libtirpc3 (Ubuntu package) - addressed in versions 1.2.5-1ubuntu0.1, 1.3.2-2ubuntu0.1
libtirpc-debugsource - update to 1.2.6-2
libtirpc-debuginfo - update to 1.2.6-2
libtirpc-devel - update to 1.2.6-2
libtirpc - update to 1.2.6-2
libtirpc-help - update to 1.2.6-2
libtirpc (Debian package) - update to 1.3.1-1+deb11u1
net-libs/libtirpc - update to 1.3.2
SCALANCE XCM332 - update to 2.2
SIMATIC MV540 H - update to 3.3.4
SIMATIC MV540 S - update to 3.3.4
SIMATIC MV550 H - update to 3.3.4
SIMATIC MV550 S - update to 3.3.4
SIMATIC MV560 U - update to 3.3.4
SIMATIC MV560 X - update to 3.3.4
PowerStore T - update to 3.5.0.1-2083289
HPE Moonshot 1500 Chassis Manager - update to 4.0-b43
IBM Cloud Pak for Watson AIOps - update to 4.1.1
EMC ViPR SRM - update to 4.8.0.1
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.8.0.1
OpenShift Data Foundation (formerly OpenShift Container Storage) - update to 4.13.0
Dell EMC Unity Operating Environment (OE) - update to 5.2.2.0.5.004
Dell EMC Unity XT Operating Environment (OE) - update to 5.2.2.0.5.004
Dell EMC Unity VSA Operating Environment (OE) - update to 5.2.2.0.5.004
Dell EMC VxRail Appliance - addressed in versions 7.0.401, 8.0.000
RSA Authentication Manager - update to 8.7 Patch 2

• http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=86529758570cef4c73fb9b9c4104fdc510f701ed

• Denial of service in libtirpc
• Debian update for libtirpc
• SUSE update for libtirpc
• Red Hat Enterprise Linux 8.6 update for libtirpc
• SUSE update for libtirpc
• Multiple vulnerabilities in IBM MQ Operator
• SUSE update for libtirpc
• Gentoo update for Libtirpc
• Multiple vulnerabilities in Dell VxRail
• Red Hat Enterprise Linux 9 update for libtirpc
• Multiple vulnerabilities in Dell SRM and Dell Storage Monitoring and Reporting
• Multiple vulnerabilities in Dell VxRail Appliance components
• Multiple vulnerabilities in Dell Unity, Dell UnityVSA, and Dell Unity XT
• Ubuntu update for libtirpc
• Multiple vulnerabilities in Siemens SCALANCE XCM332
• Multiple vulnerabilities in Red Hat OpenShift Data Foundation 4.13
• Multiple vulnerabilities in Siemens SIMATIC MV500 Devices
• Multiple vulnerabilities in Oracle Linux
• Multiple vulnerabilities in IBM Cloud Pak for Watson AIOps
• Multiple vulnerabilities in Dell PowerStore Family
• openEuler update for libtirpc
• Multiple vulnerabilities in HPE Moonshot 1500 Chassis Manager
• RSA Authentication Manager update for third-party components