Auth0 auth0.js Library up to 8.11 auth0.popup.callback information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Auth0 auth0.js Library up to 8.11. The affected element is the function auth0.popup.callback. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2017-17068. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Auth0 auth0.js Library up to 8.11 (Software Library). It has been rated as critical. This issue affects the function auth0.popup.callback. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A cross-origin vulnerability has been discovered in the Auth0 auth0.js library affecting versions < 8.12. This vulnerability allows an attacker to acquire authenticated users' tokens and invoke services on a user's behalf if the target site or application uses a popup callback page with auth0.popup.callback().

The bug was discovered 12/04/2017. The weakness was presented 12/06/2017 (Website). It is possible to read the advisory at auth0.com. The identification of this vulnerability is CVE-2017-17068 since 11/30/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/30/2017 🔍
12/04/2017 +4 days 🔍
12/06/2017 +2 days 🔍
12/06/2017 +0 days 🔍
12/06/2017 +0 days 🔍
12/12/2019 +736 days 🔍

Sourcesinfo

Advisory: auth0.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17068 (🔍)
GCVE (CVE): GCVE-0-2017-17068
GCVE (VulDB): GCVE-100-110303

Entryinfo

Created: 12/06/2017 23:40
Updated: 12/12/2019 15:53
Changes: 12/06/2017 23:40 (57), 12/12/2019 15:53 (2)
Complete: 🔍
Cache ID: 216::103

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