GUPnP up to 1.0.6/1.2.4 dns rebinding

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in GUPnP up to 1.0.6/1.2.4 and classified as critical. The affected element is an unknown function. The manipulation leads to dns rebinding. This vulnerability is uniquely identified as CVE-2021-33516. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in GUPnP up to 1.0.6/1.2.4 and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a dns rebinding vulnerability. Using CWE to declare the problem leads to CWE-350. The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 05/24/2021. The advisory is shared at gitlab.gnome.org. The identification of this vulnerability is CVE-2021-33516. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1583.002 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236605 (Alibaba Cloud Linux 3 : 0042: gupnp (ALINUX3-SA-2021:0042)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.0.7 or 1.2.5 eliminates this vulnerability. The upgrade is hosted for download at discourse.gnome.org.

The vulnerability is also documented in the vulnerability database at Tenable (236605). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Dns rebinding
CWE: CWE-350
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236605
Nessus Name: Alibaba Cloud Linux 3 : 0042: gupnp (ALINUX3-SA-2021:0042)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GUPnP 1.0.7/1.2.5

Timelineinfo

05/24/2021 🔍
05/24/2021 +0 days 🔍
05/24/2021 +0 days 🔍
05/20/2025 +1457 days 🔍

Sourcesinfo

Advisory: gitlab.gnome.org
Status: Confirmed

CVE: CVE-2021-33516 (🔍)
GCVE (CVE): GCVE-0-2021-33516
GCVE (VulDB): GCVE-100-175577

Entryinfo

Created: 05/24/2021 19:59
Updated: 05/20/2025 18:17
Changes: 05/24/2021 19:59 (37), 05/27/2021 14:00 (5), 05/20/2025 18:17 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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