Duo Authentication Proxy up to 5.2.0 Installer symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Duo Authentication Proxy up to 5.2.0. The impacted element is an unknown function of the component Installer. This manipulation causes symlink. The identification of this vulnerability is CVE-2021-1492. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Duo Authentication Proxy up to 5.2.0 (Firewall Software). Affected by this vulnerability is an unknown functionality of the component Installer. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 03/26/2021. It is possible to read the advisory at help.duo.com. This vulnerability is known as CVE-2021-1492. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.2.1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Authentication Proxy 5.2.1

Timelineinfo

11/13/2020 🔍
03/26/2021 +133 days 🔍
03/26/2021 +0 days 🔍
04/05/2021 +10 days 🔍

Sourcesinfo

Advisory: help.duo.com
Status: Confirmed

CVE: CVE-2021-1492 (🔍)
GCVE (CVE): GCVE-0-2021-1492
GCVE (VulDB): GCVE-100-171739

Entryinfo

Created: 03/26/2021 07:14
Updated: 04/05/2021 07:21
Changes: 03/26/2021 07:14 (39), 04/05/2021 07:14 (5), 04/05/2021 07:21 (19)
Complete: 🔍
Cache ID: 216::103

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