Reliance on Reverse DNS Resolution for a Security-Critical Action in gupnp - CVE-2021-33516

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Main Vulnerability Database Vulnerabilities #VU54033

Reliance on Reverse DNS Resolution for a Security-Critical Action in gupnp - CVE-2021-33516

Published: June 10, 2021


Vulnerability identifier: #VU54033
CSH Severity: Medium
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-33516
CWE-ID: CWE-350
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform DNS rebinding attacks.

The vulnerability exists due to a logic issue in GUPnP. A remote attacker can trick a victim's browser into triggering actions against local UPnP services implemented using this library and gain access to sensitive information (e.g. data exfiltration) or tamper with data.


Affected software

gupnp
Arch Linux
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Module for Desktop Applications
openEuler
Ubuntu
gupnp (Red Hat package)
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
SUSE Linux Enterprise Module for Packagehub Subpackages
gupnp-debugsource
libgupnp-1_0-4
libgupnp-1_0-4-debuginfo
libgupnp-devel
typelib-1_0-GUPnP-1_0
gupnp
libgupnp-1_2-0
libgupnp-1_2-0-debuginfo
libgupnp-1.2-0 (Ubuntu package)
gupnp-devel
gupnp-debuginfo
gupnp-help

How to mitigate CVE-2021-33516

Install updates from vendor's website.

gupnp - addressed in versions 1.0.7, 1.2.5
gupnp (Red Hat package) - addressed in versions 1.0.2-6.el7_9, 1.0.3-3.el8_1, 1.0.3-3.el8_2, 1.0.6-2.el8_4
gupnp-debugsource - addressed in versions 0.20.18-8.3.1, 1.2.2-3.3.1
libgupnp-1_0-4 - update to 0.20.18-8.3.1
libgupnp-1_0-4-debuginfo - update to 0.20.18-8.3.1
libgupnp-devel - addressed in versions 0.20.18-8.3.1, 1.2.2-3.3.1
typelib-1_0-GUPnP-1_0 - addressed in versions 0.20.18-8.3.1, 1.2.2-3.3.1
gupnp - addressed in versions 1.0.3-3, 1.0.6-2
libgupnp-1_2-0 - update to 1.2.2-3.3.1
libgupnp-1_2-0-debuginfo - update to 1.2.2-3.3.1
libgupnp-1.2-0 (Ubuntu package) - addressed in versions 1.2.3-0ubuntu0.20.04.2, 1.2.4-1ubuntu0.20.10.1, 1.2.4-1ubuntu0.21.04.1
gupnp - update to 1.2.4-1
gupnp-devel - update to 1.2.4-1
gupnp-debugsource - update to 1.2.4-1
gupnp-debuginfo - update to 1.2.4-1
gupnp-help - update to 1.2.4-1
gupnp - update to 1.2.6-1

External References

Related Security Bulletins